[  205.653879][ T6446]  ? gfs2_reconfigure+0xb10/0xb10
[  205.658938][ T6446]  ? setup_bdev_super+0x56b/0x660
[  205.663975][ T6446]  get_tree_bdev+0x3e4/0x510
[  205.668562][ T6446]  ? end_current_label_crit_section+0x170/0x170
[  205.674800][ T6446]  ? gfs2_reconfigure+0xb10/0xb10
[  205.679824][ T6446]  ? setup_bdev_super+0x660/0x660
[  205.684849][ T6446]  gfs2_get_tree+0x51/0x1e0
[  205.689354][ T6446]  vfs_get_tree+0x8c/0x280
[  205.693788][ T6446]  do_new_mount+0x24b/0xa40
[  205.698291][ T6446]  __se_sys_mount+0x2da/0x3c0
[  205.702967][ T6446]  ? __x64_sys_mount+0xc0/0xc0
[  205.707727][ T6446]  ? lockdep_hardirqs_on+0x98/0x150
[  205.712925][ T6446]  ? __x64_sys_mount+0x20/0xc0
[  205.717686][ T6446]  do_syscall_64+0x55/0xb0
[  205.722094][ T6446]  ? clear_bhb_loop+0x40/0x90
[  205.726764][ T6446]  ? clear_bhb_loop+0x40/0x90
[  205.731442][ T6446]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  205.737336][ T6446] RIP: 0033:0x7f79a2d90eea
[  205.741744][ T6446] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  205.761354][ T6446] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.769763][ T6446] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  205.777732][ T6446] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  205.785700][ T6446] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  205.793673][ T6446] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  205.801639][ T6446] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  205.809617][ T6446]  </TASK>
[  205.815164][ T6446] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.829622][ T6446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.188761][ T6449] loop1: detected capacity change from 0 to 32768
[  206.201190][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.208752][ T6449] CPU: 1 PID: 6449 Comm: syz.1.183 Not tainted syzkaller #0
[  206.216062][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  206.226142][ T6449] Call Trace:
[  206.229444][ T6449]  <TASK>
[  206.232387][ T6449]  dump_stack_lvl+0x16c/0x230
[  206.237095][ T6449]  ? show_regs_print_info+0x20/0x20
[  206.242321][ T6449]  ? load_image+0x3b0/0x3b0
[  206.246860][ T6449]  sysfs_create_dir_ns+0x256/0x280
[  206.252012][ T6449]  ? sysfs_warn_dup+0xa0/0xa0
[  206.256709][ T6449]  ? do_raw_spin_unlock+0x121/0x230
[  206.261901][ T6449]  kobject_add_internal+0x6b8/0xc70
[  206.267107][ T6449]  kobject_init_and_add+0x126/0x190
[  206.272320][ T6449]  ? lockdep_softirqs_off+0x430/0x430
[  206.277687][ T6449]  ? kobject_add+0x220/0x220
[  206.282269][ T6449]  ? __init_swait_queue_head+0xa9/0x150
[  206.287805][ T6449]  gfs2_sys_fs_add+0x238/0x470
[  206.292563][ T6449]  ? gfs2_recover_set+0x250/0x250
[  206.297674][ T6449]  ? apply_workqueue_attrs+0x180/0x180
[  206.303123][ T6449]  gfs2_fill_super+0x1323/0x1f80
[  206.308056][ T6449]  ? gfs2_reconfigure+0xb10/0xb10
[  206.313074][ T6449]  ? setup_bdev_super+0x56b/0x660
[  206.318090][ T6449]  get_tree_bdev+0x3e4/0x510
[  206.322676][ T6449]  ? end_current_label_crit_section+0x170/0x170
[  206.328912][ T6449]  ? gfs2_reconfigure+0xb10/0xb10
[  206.333930][ T6449]  ? setup_bdev_super+0x660/0x660
[  206.338952][ T6449]  gfs2_get_tree+0x51/0x1e0
[  206.343453][ T6449]  vfs_get_tree+0x8c/0x280
[  206.347873][ T6449]  do_new_mount+0x24b/0xa40
[  206.352379][ T6449]  __se_sys_mount+0x2da/0x3c0
[  206.357053][ T6449]  ? __x64_sys_mount+0xc0/0xc0
[  206.361809][ T6449]  ? lockdep_hardirqs_on+0x98/0x150
[  206.367003][ T6449]  ? __x64_sys_mount+0x20/0xc0
[  206.371765][ T6449]  do_syscall_64+0x55/0xb0
[  206.376187][ T6449]  ? clear_bhb_loop+0x40/0x90
[  206.380858][ T6449]  ? clear_bhb_loop+0x40/0x90
[  206.385539][ T6449]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  206.391431][ T6449] RIP: 0033:0x7f79a2d90eea
[  206.395866][ T6449] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.415464][ T6449] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.423873][ T6449] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  206.431838][ T6449] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  206.439807][ T6449] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  206.447782][ T6449] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  206.455747][ T6449] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  206.463736][ T6449]  </TASK>
[  206.470063][ T6449] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.484215][ T6449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.827395][ T6452] loop1: detected capacity change from 0 to 32768
[  206.839836][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.856516][ T6452] CPU: 0 PID: 6452 Comm: syz.1.184 Not tainted syzkaller #0
[  206.863872][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  206.873955][ T6452] Call Trace:
[  206.877262][ T6452]  <TASK>
[  206.880228][ T6452]  dump_stack_lvl+0x16c/0x230
[  206.884941][ T6452]  ? show_regs_print_info+0x20/0x20
[  206.890180][ T6452]  ? load_image+0x3b0/0x3b0
[  206.894722][ T6452]  sysfs_create_dir_ns+0x256/0x280
[  206.899865][ T6452]  ? sysfs_warn_dup+0xa0/0xa0
[  206.904590][ T6452]  ? do_raw_spin_unlock+0x121/0x230
[  206.909824][ T6452]  kobject_add_internal+0x6b8/0xc70
[  206.915059][ T6452]  kobject_init_and_add+0x126/0x190
[  206.920283][ T6452]  ? lockdep_softirqs_off+0x430/0x430
[  206.925662][ T6452]  ? kobject_add+0x220/0x220
[  206.930265][ T6452]  ? __init_swait_queue_head+0xa9/0x150
[  206.935808][ T6452]  gfs2_sys_fs_add+0x238/0x470
[  206.940575][ T6452]  ? gfs2_recover_set+0x250/0x250
[  206.945604][ T6452]  ? apply_workqueue_attrs+0x180/0x180
[  206.951068][ T6452]  gfs2_fill_super+0x1323/0x1f80
[  206.956013][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  206.961051][ T6452]  ? setup_bdev_super+0x56b/0x660
[  206.966075][ T6452]  get_tree_bdev+0x3e4/0x510
[  206.970669][ T6452]  ? end_current_label_crit_section+0x170/0x170
[  206.976919][ T6452]  ? gfs2_reconfigure+0xb10/0xb10
[  206.981939][ T6452]  ? setup_bdev_super+0x660/0x660
[  206.986963][ T6452]  gfs2_get_tree+0x51/0x1e0
[  206.991470][ T6452]  vfs_get_tree+0x8c/0x280
[  206.995881][ T6452]  do_new_mount+0x24b/0xa40
[  207.000381][ T6452]  __se_sys_mount+0x2da/0x3c0
[  207.005080][ T6452]  ? __x64_sys_mount+0xc0/0xc0
[  207.009882][ T6452]  ? lockdep_hardirqs_on+0x98/0x150
[  207.015083][ T6452]  ? __x64_sys_mount+0x20/0xc0
[  207.019846][ T6452]  do_syscall_64+0x55/0xb0
[  207.024378][ T6452]  ? clear_bhb_loop+0x40/0x90
[  207.029093][ T6452]  ? clear_bhb_loop+0x40/0x90
[  207.033781][ T6452]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  207.039670][ T6452] RIP: 0033:0x7f79a2d90eea
[  207.044081][ T6452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.063688][ T6452] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.072113][ T6452] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  207.080276][ T6452] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  207.088244][ T6452] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  207.096235][ T6452] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  207.104210][ T6452] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  207.112283][ T6452]  </TASK>
[  207.124294][ T6452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.143675][ T6452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.518828][ T6455] loop1: detected capacity change from 0 to 32768
[  207.537369][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.544829][ T6455] CPU: 0 PID: 6455 Comm: syz.1.185 Not tainted syzkaller #0
[  207.552137][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  207.562305][ T6455] Call Trace:
[  207.565607][ T6455]  <TASK>
[  207.568559][ T6455]  dump_stack_lvl+0x16c/0x230
[  207.573282][ T6455]  ? show_regs_print_info+0x20/0x20
[  207.578513][ T6455]  ? load_image+0x3b0/0x3b0
[  207.583061][ T6455]  sysfs_create_dir_ns+0x256/0x280
[  207.588214][ T6455]  ? sysfs_warn_dup+0xa0/0xa0
[  207.592931][ T6455]  ? do_raw_spin_unlock+0x121/0x230
[  207.598173][ T6455]  kobject_add_internal+0x6b8/0xc70
[  207.603398][ T6455]  kobject_init_and_add+0x126/0x190
[  207.608609][ T6455]  ? lockdep_softirqs_off+0x430/0x430
[  207.613982][ T6455]  ? kobject_add+0x220/0x220
[  207.618573][ T6455]  ? __init_swait_queue_head+0xa9/0x150
[  207.624114][ T6455]  gfs2_sys_fs_add+0x238/0x470
[  207.628881][ T6455]  ? gfs2_recover_set+0x250/0x250
[  207.633909][ T6455]  ? apply_workqueue_attrs+0x180/0x180
[  207.639370][ T6455]  gfs2_fill_super+0x1323/0x1f80
[  207.644318][ T6455]  ? gfs2_reconfigure+0xb10/0xb10
[  207.649345][ T6455]  ? setup_bdev_super+0x56b/0x660
[  207.654363][ T6455]  get_tree_bdev+0x3e4/0x510
[  207.658952][ T6455]  ? end_current_label_crit_section+0x170/0x170
[  207.665203][ T6455]  ? gfs2_reconfigure+0xb10/0xb10
[  207.670228][ T6455]  ? setup_bdev_super+0x660/0x660
[  207.675259][ T6455]  gfs2_get_tree+0x51/0x1e0
[  207.679771][ T6455]  vfs_get_tree+0x8c/0x280
[  207.684193][ T6455]  do_new_mount+0x24b/0xa40
[  207.688693][ T6455]  __se_sys_mount+0x2da/0x3c0
[  207.693367][ T6455]  ? __x64_sys_mount+0xc0/0xc0
[  207.698137][ T6455]  ? lockdep_hardirqs_on+0x98/0x150
[  207.703335][ T6455]  ? __x64_sys_mount+0x20/0xc0
[  207.708090][ T6455]  do_syscall_64+0x55/0xb0
[  207.712497][ T6455]  ? clear_bhb_loop+0x40/0x90
[  207.717177][ T6455]  ? clear_bhb_loop+0x40/0x90
[  207.721847][ T6455]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  207.727735][ T6455] RIP: 0033:0x7f79a2d90eea
[  207.732144][ T6455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.751749][ T6455] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.760215][ T6455] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  207.768188][ T6455] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  207.776162][ T6455] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  207.784132][ T6455] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  207.792109][ T6455] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  207.800094][ T6455]  </TASK>
[  207.810895][ T6455] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.827330][ T6455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.150038][ T6458] loop1: detected capacity change from 0 to 32768
[  208.169089][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.176732][ T6458] CPU: 1 PID: 6458 Comm: syz.1.186 Not tainted syzkaller #0
[  208.184052][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  208.194146][ T6458] Call Trace:
[  208.197459][ T6458]  <TASK>
[  208.200407][ T6458]  dump_stack_lvl+0x16c/0x230
[  208.205117][ T6458]  ? show_regs_print_info+0x20/0x20
[  208.210352][ T6458]  ? load_image+0x3b0/0x3b0
[  208.215328][ T6458]  sysfs_create_dir_ns+0x256/0x280
[  208.220475][ T6458]  ? sysfs_warn_dup+0xa0/0xa0
[  208.225192][ T6458]  ? do_raw_spin_unlock+0x121/0x230
[  208.230428][ T6458]  kobject_add_internal+0x6b8/0xc70
[  208.235665][ T6458]  kobject_init_and_add+0x126/0x190
[  208.240893][ T6458]  ? lockdep_softirqs_off+0x430/0x430
[  208.246300][ T6458]  ? kobject_add+0x220/0x220
[  208.250928][ T6458]  ? __init_swait_queue_head+0xa9/0x150
[  208.256503][ T6458]  gfs2_sys_fs_add+0x238/0x470
[  208.261383][ T6458]  ? gfs2_recover_set+0x250/0x250
[  208.266448][ T6458]  ? apply_workqueue_attrs+0x180/0x180
[  208.271941][ T6458]  gfs2_fill_super+0x1323/0x1f80
[  208.276931][ T6458]  ? gfs2_reconfigure+0xb10/0xb10
[  208.282016][ T6458]  ? setup_bdev_super+0x56b/0x660
[  208.287037][ T6458]  get_tree_bdev+0x3e4/0x510
[  208.291630][ T6458]  ? end_current_label_crit_section+0x170/0x170
[  208.297885][ T6458]  ? gfs2_reconfigure+0xb10/0xb10
[  208.302921][ T6458]  ? setup_bdev_super+0x660/0x660
[  208.307945][ T6458]  gfs2_get_tree+0x51/0x1e0
[  208.312443][ T6458]  vfs_get_tree+0x8c/0x280
[  208.316864][ T6458]  do_new_mount+0x24b/0xa40
[  208.321373][ T6458]  __se_sys_mount+0x2da/0x3c0
[  208.326038][ T6458]  ? __x64_sys_mount+0xc0/0xc0
[  208.330789][ T6458]  ? lockdep_hardirqs_on+0x98/0x150
[  208.335980][ T6458]  ? __x64_sys_mount+0x20/0xc0
[  208.340732][ T6458]  do_syscall_64+0x55/0xb0
[  208.345133][ T6458]  ? clear_bhb_loop+0x40/0x90
[  208.349809][ T6458]  ? clear_bhb_loop+0x40/0x90
[  208.354473][ T6458]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  208.360355][ T6458] RIP: 0033:0x7f79a2d90eea
[  208.364756][ T6458] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.384359][ T6458] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.392784][ T6458] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  208.400771][ T6458] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  208.408735][ T6458] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  208.416703][ T6458] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  208.424676][ T6458] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  208.432648][ T6458]  </TASK>
[  208.436676][ T6458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.451444][ T6458] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 09:44:53 executed programs: 172
[  208.812815][ T6461] loop1: detected capacity change from 0 to 32768
[  208.822664][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.830607][ T6461] CPU: 1 PID: 6461 Comm: syz.1.187 Not tainted syzkaller #0
[  208.837927][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  208.848032][ T6461] Call Trace:
[  208.851346][ T6461]  <TASK>
[  208.854299][ T6461]  dump_stack_lvl+0x16c/0x230
[  208.859008][ T6461]  ? show_regs_print_info+0x20/0x20
[  208.864244][ T6461]  ? load_image+0x3b0/0x3b0
[  208.868784][ T6461]  sysfs_create_dir_ns+0x256/0x280
[  208.873943][ T6461]  ? sysfs_warn_dup+0xa0/0xa0
[  208.878675][ T6461]  ? do_raw_spin_unlock+0x121/0x230
[  208.883902][ T6461]  kobject_add_internal+0x6b8/0xc70
[  208.889218][ T6461]  kobject_init_and_add+0x126/0x190
[  208.894440][ T6461]  ? lockdep_softirqs_off+0x430/0x430
[  208.899835][ T6461]  ? kobject_add+0x220/0x220
[  208.904430][ T6461]  ? __init_swait_queue_head+0xa9/0x150
[  208.909987][ T6461]  gfs2_sys_fs_add+0x238/0x470
[  208.914751][ T6461]  ? gfs2_recover_set+0x250/0x250
[  208.919770][ T6461]  ? apply_workqueue_attrs+0x180/0x180
[  208.925220][ T6461]  gfs2_fill_super+0x1323/0x1f80
[  208.930167][ T6461]  ? gfs2_reconfigure+0xb10/0xb10
[  208.935201][ T6461]  ? setup_bdev_super+0x56b/0x660
[  208.940219][ T6461]  get_tree_bdev+0x3e4/0x510
[  208.944806][ T6461]  ? end_current_label_crit_section+0x170/0x170
[  208.951042][ T6461]  ? gfs2_reconfigure+0xb10/0xb10
[  208.956061][ T6461]  ? setup_bdev_super+0x660/0x660
[  208.961081][ T6461]  gfs2_get_tree+0x51/0x1e0
[  208.965581][ T6461]  vfs_get_tree+0x8c/0x280
[  208.969988][ T6461]  do_new_mount+0x24b/0xa40
[  208.974487][ T6461]  __se_sys_mount+0x2da/0x3c0
[  208.979180][ T6461]  ? __x64_sys_mount+0xc0/0xc0
[  208.983955][ T6461]  ? lockdep_hardirqs_on+0x98/0x150
[  208.989157][ T6461]  ? __x64_sys_mount+0x20/0xc0
[  208.993916][ T6461]  do_syscall_64+0x55/0xb0
[  208.998324][ T6461]  ? clear_bhb_loop+0x40/0x90
[  209.002997][ T6461]  ? clear_bhb_loop+0x40/0x90
[  209.007674][ T6461]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  209.013562][ T6461] RIP: 0033:0x7f79a2d90eea
[  209.017970][ T6461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.037572][ T6461] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.045980][ T6461] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  209.053944][ T6461] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  209.061905][ T6461] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  209.069869][ T6461] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  209.077832][ T6461] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  209.085805][ T6461]  </TASK>
[  209.090333][ T6461] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.104484][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.441917][ T6464] loop1: detected capacity change from 0 to 32768
[  209.459196][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.466916][ T6464] CPU: 1 PID: 6464 Comm: syz.1.188 Not tainted syzkaller #0
[  209.474235][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  209.484317][ T6464] Call Trace:
[  209.487626][ T6464]  <TASK>
[  209.490573][ T6464]  dump_stack_lvl+0x16c/0x230
[  209.495285][ T6464]  ? show_regs_print_info+0x20/0x20
[  209.500515][ T6464]  ? load_image+0x3b0/0x3b0
[  209.505055][ T6464]  sysfs_create_dir_ns+0x256/0x280
[  209.510201][ T6464]  ? sysfs_warn_dup+0xa0/0xa0
[  209.514909][ T6464]  ? do_raw_spin_unlock+0x121/0x230
[  209.520151][ T6464]  kobject_add_internal+0x6b8/0xc70
[  209.525385][ T6464]  kobject_init_and_add+0x126/0x190
[  209.530613][ T6464]  ? lockdep_softirqs_off+0x430/0x430
[  209.536017][ T6464]  ? kobject_add+0x220/0x220
[  209.540633][ T6464]  ? __init_swait_queue_head+0xa9/0x150
[  209.546211][ T6464]  gfs2_sys_fs_add+0x238/0x470
[  209.551017][ T6464]  ? gfs2_recover_set+0x250/0x250
[  209.556072][ T6464]  ? apply_workqueue_attrs+0x180/0x180
[  209.561563][ T6464]  gfs2_fill_super+0x1323/0x1f80
[  209.566535][ T6464]  ? gfs2_reconfigure+0xb10/0xb10
[  209.571593][ T6464]  ? setup_bdev_super+0x56b/0x660
[  209.576637][ T6464]  get_tree_bdev+0x3e4/0x510
[  209.581232][ T6464]  ? end_current_label_crit_section+0x170/0x170
[  209.587468][ T6464]  ? gfs2_reconfigure+0xb10/0xb10
[  209.592485][ T6464]  ? setup_bdev_super+0x660/0x660
[  209.597505][ T6464]  gfs2_get_tree+0x51/0x1e0
[  209.602001][ T6464]  vfs_get_tree+0x8c/0x280
[  209.606410][ T6464]  do_new_mount+0x24b/0xa40
[  209.610907][ T6464]  __se_sys_mount+0x2da/0x3c0
[  209.615584][ T6464]  ? __x64_sys_mount+0xc0/0xc0
[  209.620345][ T6464]  ? lockdep_hardirqs_on+0x98/0x150
[  209.625534][ T6464]  ? __x64_sys_mount+0x20/0xc0
[  209.630292][ T6464]  do_syscall_64+0x55/0xb0
[  209.634704][ T6464]  ? clear_bhb_loop+0x40/0x90
[  209.639375][ T6464]  ? clear_bhb_loop+0x40/0x90
[  209.644046][ T6464]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  209.650026][ T6464] RIP: 0033:0x7f79a2d90eea
[  209.654436][ T6464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.674035][ T6464] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.682458][ T6464] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  209.690437][ T6464] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  209.698410][ T6464] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  209.706387][ T6464] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  209.714364][ T6464] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  209.722351][ T6464]  </TASK>
[  209.728105][ T6464] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.742558][ T6464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.101274][ T6467] loop1: detected capacity change from 0 to 32768
[  210.113959][ T6467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.123837][ T6467] CPU: 1 PID: 6467 Comm: syz.1.189 Not tainted syzkaller #0
[  210.131175][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  210.141264][ T6467] Call Trace:
[  210.144567][ T6467]  <TASK>
[  210.147519][ T6467]  dump_stack_lvl+0x16c/0x230
[  210.152236][ T6467]  ? show_regs_print_info+0x20/0x20
[  210.157473][ T6467]  ? load_image+0x3b0/0x3b0
[  210.162005][ T6467]  sysfs_create_dir_ns+0x256/0x280
[  210.167144][ T6467]  ? sysfs_warn_dup+0xa0/0xa0
[  210.171852][ T6467]  ? do_raw_spin_unlock+0x121/0x230
[  210.177094][ T6467]  kobject_add_internal+0x6b8/0xc70
[  210.182328][ T6467]  kobject_init_and_add+0x126/0x190
[  210.187554][ T6467]  ? lockdep_softirqs_off+0x430/0x430
[  210.192955][ T6467]  ? kobject_add+0x220/0x220
[  210.197581][ T6467]  ? __init_swait_queue_head+0xa9/0x150
[  210.203152][ T6467]  gfs2_sys_fs_add+0x238/0x470
[  210.207952][ T6467]  ? gfs2_recover_set+0x250/0x250
[  210.213010][ T6467]  ? apply_workqueue_attrs+0x180/0x180
[  210.218504][ T6467]  gfs2_fill_super+0x1323/0x1f80
[  210.223469][ T6467]  ? gfs2_reconfigure+0xb10/0xb10
[  210.228500][ T6467]  ? setup_bdev_super+0x56b/0x660
[  210.233514][ T6467]  get_tree_bdev+0x3e4/0x510
[  210.238097][ T6467]  ? end_current_label_crit_section+0x170/0x170
[  210.244331][ T6467]  ? gfs2_reconfigure+0xb10/0xb10
[  210.249357][ T6467]  ? setup_bdev_super+0x660/0x660
[  210.254374][ T6467]  gfs2_get_tree+0x51/0x1e0
[  210.258870][ T6467]  vfs_get_tree+0x8c/0x280
[  210.263277][ T6467]  do_new_mount+0x24b/0xa40
[  210.267772][ T6467]  __se_sys_mount+0x2da/0x3c0
[  210.272439][ T6467]  ? __x64_sys_mount+0xc0/0xc0
[  210.277190][ T6467]  ? lockdep_hardirqs_on+0x98/0x150
[  210.282382][ T6467]  ? __x64_sys_mount+0x20/0xc0
[  210.287136][ T6467]  do_syscall_64+0x55/0xb0
[  210.291539][ T6467]  ? clear_bhb_loop+0x40/0x90
[  210.296206][ T6467]  ? clear_bhb_loop+0x40/0x90
[  210.300870][ T6467]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  210.306749][ T6467] RIP: 0033:0x7f79a2d90eea
[  210.311148][ T6467] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.330745][ T6467] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.339151][ T6467] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  210.347111][ T6467] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  210.355071][ T6467] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  210.363030][ T6467] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  210.370988][ T6467] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  210.378956][ T6467]  </TASK>
[  210.383518][ T6467] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.397672][ T6467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.755613][ T6470] loop1: detected capacity change from 0 to 32768
[  210.769595][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.777197][ T6470] CPU: 1 PID: 6470 Comm: syz.1.190 Not tainted syzkaller #0
[  210.784506][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  210.794585][ T6470] Call Trace:
[  210.797905][ T6470]  <TASK>
[  210.800871][ T6470]  dump_stack_lvl+0x16c/0x230
[  210.805595][ T6470]  ? show_regs_print_info+0x20/0x20
[  210.810824][ T6470]  ? load_image+0x3b0/0x3b0
[  210.815356][ T6470]  sysfs_create_dir_ns+0x256/0x280
[  210.820491][ T6470]  ? sysfs_warn_dup+0xa0/0xa0
[  210.825205][ T6470]  ? do_raw_spin_unlock+0x121/0x230
[  210.830440][ T6470]  kobject_add_internal+0x6b8/0xc70
[  210.835672][ T6470]  kobject_init_and_add+0x126/0x190
[  210.840892][ T6470]  ? lockdep_softirqs_off+0x430/0x430
[  210.846274][ T6470]  ? kobject_add+0x220/0x220
[  210.850862][ T6470]  ? __init_swait_queue_head+0xa9/0x150
[  210.856414][ T6470]  gfs2_sys_fs_add+0x238/0x470
[  210.861183][ T6470]  ? gfs2_recover_set+0x250/0x250
[  210.866207][ T6470]  ? apply_workqueue_attrs+0x180/0x180
[  210.871671][ T6470]  gfs2_fill_super+0x1323/0x1f80
[  210.876634][ T6470]  ? gfs2_reconfigure+0xb10/0xb10
[  210.881692][ T6470]  ? setup_bdev_super+0x56b/0x660
[  210.886708][ T6470]  get_tree_bdev+0x3e4/0x510
[  210.891293][ T6470]  ? end_current_label_crit_section+0x170/0x170
[  210.897549][ T6470]  ? gfs2_reconfigure+0xb10/0xb10
[  210.902583][ T6470]  ? setup_bdev_super+0x660/0x660
[  210.907616][ T6470]  gfs2_get_tree+0x51/0x1e0
[  210.912127][ T6470]  vfs_get_tree+0x8c/0x280
[  210.916550][ T6470]  do_new_mount+0x24b/0xa40
[  210.921051][ T6470]  __se_sys_mount+0x2da/0x3c0
[  210.925726][ T6470]  ? __x64_sys_mount+0xc0/0xc0
[  210.930590][ T6470]  ? lockdep_hardirqs_on+0x98/0x150
[  210.935795][ T6470]  ? __x64_sys_mount+0x20/0xc0
[  210.940566][ T6470]  do_syscall_64+0x55/0xb0
[  210.944984][ T6470]  ? clear_bhb_loop+0x40/0x90
[  210.949657][ T6470]  ? clear_bhb_loop+0x40/0x90
[  210.954331][ T6470]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  210.960222][ T6470] RIP: 0033:0x7f79a2d90eea
[  210.964630][ T6470] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.984230][ T6470] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.992641][ T6470] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  211.000606][ T6470] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  211.008569][ T6470] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  211.016533][ T6470] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  211.024497][ T6470] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  211.032474][ T6470]  </TASK>
[  211.039698][ T6470] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.063569][ T6470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.387023][ T6473] loop1: detected capacity change from 0 to 32768
[  211.401238][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.416280][ T6473] CPU: 1 PID: 6473 Comm: syz.1.191 Not tainted syzkaller #0
[  211.423624][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  211.433702][ T6473] Call Trace:
[  211.437009][ T6473]  <TASK>
[  211.439954][ T6473]  dump_stack_lvl+0x16c/0x230
[  211.444672][ T6473]  ? show_regs_print_info+0x20/0x20
[  211.449895][ T6473]  ? load_image+0x3b0/0x3b0
[  211.454438][ T6473]  sysfs_create_dir_ns+0x256/0x280
[  211.459590][ T6473]  ? sysfs_warn_dup+0xa0/0xa0
[  211.464300][ T6473]  ? do_raw_spin_unlock+0x121/0x230
[  211.469524][ T6473]  kobject_add_internal+0x6b8/0xc70
[  211.474727][ T6473]  kobject_init_and_add+0x126/0x190
[  211.479919][ T6473]  ? lockdep_softirqs_off+0x430/0x430
[  211.485287][ T6473]  ? kobject_add+0x220/0x220
[  211.489873][ T6473]  ? __init_swait_queue_head+0xa9/0x150
[  211.495419][ T6473]  gfs2_sys_fs_add+0x238/0x470
[  211.500181][ T6473]  ? gfs2_recover_set+0x250/0x250
[  211.505200][ T6473]  ? apply_workqueue_attrs+0x180/0x180
[  211.510659][ T6473]  gfs2_fill_super+0x1323/0x1f80
[  211.515597][ T6473]  ? gfs2_reconfigure+0xb10/0xb10
[  211.520661][ T6473]  ? setup_bdev_super+0x56b/0x660
[  211.525679][ T6473]  get_tree_bdev+0x3e4/0x510
[  211.530261][ T6473]  ? end_current_label_crit_section+0x170/0x170
[  211.536505][ T6473]  ? gfs2_reconfigure+0xb10/0xb10
[  211.541520][ T6473]  ? setup_bdev_super+0x660/0x660
[  211.546540][ T6473]  gfs2_get_tree+0x51/0x1e0
[  211.551038][ T6473]  vfs_get_tree+0x8c/0x280
[  211.555443][ T6473]  do_new_mount+0x24b/0xa40
[  211.559941][ T6473]  __se_sys_mount+0x2da/0x3c0
[  211.564615][ T6473]  ? __x64_sys_mount+0xc0/0xc0
[  211.569459][ T6473]  ? lockdep_hardirqs_on+0x98/0x150
[  211.574655][ T6473]  ? __x64_sys_mount+0x20/0xc0
[  211.579411][ T6473]  do_syscall_64+0x55/0xb0
[  211.583816][ T6473]  ? clear_bhb_loop+0x40/0x90
[  211.588484][ T6473]  ? clear_bhb_loop+0x40/0x90
[  211.593171][ T6473]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  211.599056][ T6473] RIP: 0033:0x7f79a2d90eea
[  211.603465][ T6473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  211.623068][ T6473] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.631473][ T6473] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  211.639433][ T6473] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  211.647394][ T6473] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  211.655362][ T6473] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  211.663323][ T6473] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  211.671317][ T6473]  </TASK>
[  211.685420][ T6473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.700649][ T6473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.032260][ T6476] loop1: detected capacity change from 0 to 32768
[  212.045664][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.053507][ T6476] CPU: 0 PID: 6476 Comm: syz.1.192 Not tainted syzkaller #0
[  212.060830][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  212.070911][ T6476] Call Trace:
[  212.074224][ T6476]  <TASK>
[  212.077176][ T6476]  dump_stack_lvl+0x16c/0x230
[  212.081888][ T6476]  ? show_regs_print_info+0x20/0x20
[  212.087129][ T6476]  ? load_image+0x3b0/0x3b0
[  212.091670][ T6476]  sysfs_create_dir_ns+0x256/0x280
[  212.096810][ T6476]  ? sysfs_warn_dup+0xa0/0xa0
[  212.101511][ T6476]  ? do_raw_spin_unlock+0x121/0x230
[  212.106748][ T6476]  kobject_add_internal+0x6b8/0xc70
[  212.111967][ T6476]  kobject_init_and_add+0x126/0x190
[  212.117164][ T6476]  ? lockdep_softirqs_off+0x430/0x430
[  212.122541][ T6476]  ? kobject_add+0x220/0x220
[  212.127127][ T6476]  ? __init_swait_queue_head+0xa9/0x150
[  212.132668][ T6476]  gfs2_sys_fs_add+0x238/0x470
[  212.137425][ T6476]  ? gfs2_recover_set+0x250/0x250
[  212.142448][ T6476]  ? apply_workqueue_attrs+0x180/0x180
[  212.147907][ T6476]  gfs2_fill_super+0x1323/0x1f80
[  212.152852][ T6476]  ? gfs2_reconfigure+0xb10/0xb10
[  212.157904][ T6476]  ? setup_bdev_super+0x56b/0x660
[  212.162934][ T6476]  get_tree_bdev+0x3e4/0x510
[  212.167524][ T6476]  ? end_current_label_crit_section+0x170/0x170
[  212.173755][ T6476]  ? gfs2_reconfigure+0xb10/0xb10
[  212.178770][ T6476]  ? setup_bdev_super+0x660/0x660
[  212.183792][ T6476]  gfs2_get_tree+0x51/0x1e0
[  212.188291][ T6476]  vfs_get_tree+0x8c/0x280
[  212.192701][ T6476]  do_new_mount+0x24b/0xa40
[  212.197210][ T6476]  __se_sys_mount+0x2da/0x3c0
[  212.201879][ T6476]  ? __x64_sys_mount+0xc0/0xc0
[  212.206641][ T6476]  ? lockdep_hardirqs_on+0x98/0x150
[  212.211831][ T6476]  ? __x64_sys_mount+0x20/0xc0
[  212.216593][ T6476]  do_syscall_64+0x55/0xb0
[  212.220997][ T6476]  ? clear_bhb_loop+0x40/0x90
[  212.225665][ T6476]  ? clear_bhb_loop+0x40/0x90
[  212.230334][ T6476]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.236219][ T6476] RIP: 0033:0x7f79a2d90eea
[  212.240623][ T6476] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.260305][ T6476] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.268707][ T6476] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  212.276669][ T6476] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  212.284634][ T6476] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  212.292597][ T6476] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  212.300561][ T6476] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  212.308619][ T6476]  </TASK>
[  212.323064][ T6476] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.338379][ T6476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.653593][ T6479] loop1: detected capacity change from 0 to 32768
[  212.671096][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.678796][ T6479] CPU: 1 PID: 6479 Comm: syz.1.193 Not tainted syzkaller #0
[  212.686194][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  212.696274][ T6479] Call Trace:
[  212.699577][ T6479]  <TASK>
[  212.702528][ T6479]  dump_stack_lvl+0x16c/0x230
[  212.707244][ T6479]  ? show_regs_print_info+0x20/0x20
[  212.712481][ T6479]  ? load_image+0x3b0/0x3b0
[  212.717024][ T6479]  sysfs_create_dir_ns+0x256/0x280
[  212.722167][ T6479]  ? sysfs_warn_dup+0xa0/0xa0
[  212.726873][ T6479]  ? do_raw_spin_unlock+0x121/0x230
[  212.732103][ T6479]  kobject_add_internal+0x6b8/0xc70
[  212.737344][ T6479]  kobject_init_and_add+0x126/0x190
[  212.742587][ T6479]  ? lockdep_softirqs_off+0x430/0x430
[  212.747988][ T6479]  ? kobject_add+0x220/0x220
[  212.752609][ T6479]  ? __init_swait_queue_head+0xa9/0x150
[  212.758179][ T6479]  gfs2_sys_fs_add+0x238/0x470
[  212.762970][ T6479]  ? gfs2_recover_set+0x250/0x250
[  212.768028][ T6479]  ? apply_workqueue_attrs+0x180/0x180
[  212.773511][ T6479]  gfs2_fill_super+0x1323/0x1f80
[  212.778460][ T6479]  ? gfs2_reconfigure+0xb10/0xb10
[  212.783494][ T6479]  ? setup_bdev_super+0x56b/0x660
[  212.788513][ T6479]  get_tree_bdev+0x3e4/0x510
[  212.793099][ T6479]  ? end_current_label_crit_section+0x170/0x170
[  212.799349][ T6479]  ? gfs2_reconfigure+0xb10/0xb10
[  212.804370][ T6479]  ? setup_bdev_super+0x660/0x660
[  212.809393][ T6479]  gfs2_get_tree+0x51/0x1e0
[  212.813891][ T6479]  vfs_get_tree+0x8c/0x280
[  212.818299][ T6479]  do_new_mount+0x24b/0xa40
[  212.822797][ T6479]  __se_sys_mount+0x2da/0x3c0
[  212.827469][ T6479]  ? __x64_sys_mount+0xc0/0xc0
[  212.832230][ T6479]  ? lockdep_hardirqs_on+0x98/0x150
[  212.837422][ T6479]  ? __x64_sys_mount+0x20/0xc0
[  212.842181][ T6479]  do_syscall_64+0x55/0xb0
[  212.846589][ T6479]  ? clear_bhb_loop+0x40/0x90
[  212.851260][ T6479]  ? clear_bhb_loop+0x40/0x90
[  212.855930][ T6479]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.861820][ T6479] RIP: 0033:0x7f79a2d90eea
[  212.866230][ T6479] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.885854][ T6479] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.894268][ T6479] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  212.902239][ T6479] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  212.910209][ T6479] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  212.918174][ T6479] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  212.926137][ T6479] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  212.934113][ T6479]  </TASK>
[  212.949307][ T6479] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.964233][ T6479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.319706][ T6482] loop1: detected capacity change from 0 to 32768
[  213.328745][ T6482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.336208][ T6482] CPU: 0 PID: 6482 Comm: syz.1.194 Not tainted syzkaller #0
[  213.343523][ T6482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.353606][ T6482] Call Trace:
[  213.356912][ T6482]  <TASK>
[  213.359867][ T6482]  dump_stack_lvl+0x16c/0x230
[  213.364679][ T6482]  ? show_regs_print_info+0x20/0x20
[  213.369916][ T6482]  ? load_image+0x3b0/0x3b0
[  213.374456][ T6482]  sysfs_create_dir_ns+0x256/0x280
[  213.379607][ T6482]  ? sysfs_warn_dup+0xa0/0xa0
[  213.384317][ T6482]  ? do_raw_spin_unlock+0x121/0x230
[  213.389554][ T6482]  kobject_add_internal+0x6b8/0xc70
[  213.394788][ T6482]  kobject_init_and_add+0x126/0x190
[  213.400009][ T6482]  ? lockdep_softirqs_off+0x430/0x430
[  213.405375][ T6482]  ? kobject_add+0x220/0x220
[  213.409969][ T6482]  ? __init_swait_queue_head+0xa9/0x150
[  213.415529][ T6482]  gfs2_sys_fs_add+0x238/0x470
[  213.420292][ T6482]  ? gfs2_recover_set+0x250/0x250
[  213.425313][ T6482]  ? apply_workqueue_attrs+0x180/0x180
[  213.430772][ T6482]  gfs2_fill_super+0x1323/0x1f80
[  213.435713][ T6482]  ? gfs2_reconfigure+0xb10/0xb10
[  213.440775][ T6482]  ? setup_bdev_super+0x56b/0x660
[  213.445792][ T6482]  get_tree_bdev+0x3e4/0x510
[  213.450374][ T6482]  ? end_current_label_crit_section+0x170/0x170
[  213.456615][ T6482]  ? gfs2_reconfigure+0xb10/0xb10
[  213.461627][ T6482]  ? setup_bdev_super+0x660/0x660
[  213.466643][ T6482]  gfs2_get_tree+0x51/0x1e0
[  213.471137][ T6482]  vfs_get_tree+0x8c/0x280
[  213.475543][ T6482]  do_new_mount+0x24b/0xa40
[  213.480036][ T6482]  __se_sys_mount+0x2da/0x3c0
[  213.484703][ T6482]  ? __x64_sys_mount+0xc0/0xc0
[  213.489531][ T6482]  ? lockdep_hardirqs_on+0x98/0x150
[  213.494715][ T6482]  ? __x64_sys_mount+0x20/0xc0
[  213.499467][ T6482]  do_syscall_64+0x55/0xb0
[  213.503869][ T6482]  ? clear_bhb_loop+0x40/0x90
[  213.508533][ T6482]  ? clear_bhb_loop+0x40/0x90
[  213.513203][ T6482]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  213.519092][ T6482] RIP: 0033:0x7f79a2d90eea
[  213.523495][ T6482] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.543235][ T6482] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.551644][ T6482] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  213.559614][ T6482] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  213.567578][ T6482] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  213.575540][ T6482] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  213.583501][ T6482] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  213.591473][ T6482]  </TASK>
[  213.602827][ T6482] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.617258][ T6482] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 09:44:58 executed programs: 180
[  213.955186][ T6485] loop1: detected capacity change from 0 to 32768
[  213.969893][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.977479][ T6485] CPU: 1 PID: 6485 Comm: syz.1.195 Not tainted syzkaller #0
[  213.984788][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.994882][ T6485] Call Trace:
[  213.998183][ T6485]  <TASK>
[  214.001146][ T6485]  dump_stack_lvl+0x16c/0x230
[  214.005862][ T6485]  ? show_regs_print_info+0x20/0x20
[  214.011095][ T6485]  ? load_image+0x3b0/0x3b0
[  214.015640][ T6485]  sysfs_create_dir_ns+0x256/0x280
[  214.020813][ T6485]  ? sysfs_warn_dup+0xa0/0xa0
[  214.025520][ T6485]  ? do_raw_spin_unlock+0x121/0x230
[  214.030749][ T6485]  kobject_add_internal+0x6b8/0xc70
[  214.035980][ T6485]  kobject_init_and_add+0x126/0x190
[  214.041206][ T6485]  ? lockdep_softirqs_off+0x430/0x430
[  214.046579][ T6485]  ? kobject_add+0x220/0x220
[  214.051169][ T6485]  ? __init_swait_queue_head+0xa9/0x150
[  214.056711][ T6485]  gfs2_sys_fs_add+0x238/0x470
[  214.061471][ T6485]  ? gfs2_recover_set+0x250/0x250
[  214.066496][ T6485]  ? apply_workqueue_attrs+0x180/0x180
[  214.071981][ T6485]  gfs2_fill_super+0x1323/0x1f80
[  214.076934][ T6485]  ? gfs2_reconfigure+0xb10/0xb10
[  214.081967][ T6485]  ? setup_bdev_super+0x56b/0x660
[  214.086984][ T6485]  get_tree_bdev+0x3e4/0x510
[  214.091578][ T6485]  ? end_current_label_crit_section+0x170/0x170
[  214.097817][ T6485]  ? gfs2_reconfigure+0xb10/0xb10
[  214.102866][ T6485]  ? setup_bdev_super+0x660/0x660
[  214.107904][ T6485]  gfs2_get_tree+0x51/0x1e0
[  214.112419][ T6485]  vfs_get_tree+0x8c/0x280
[  214.116831][ T6485]  do_new_mount+0x24b/0xa40
[  214.121330][ T6485]  __se_sys_mount+0x2da/0x3c0
[  214.125997][ T6485]  ? __x64_sys_mount+0xc0/0xc0
[  214.130762][ T6485]  ? lockdep_hardirqs_on+0x98/0x150
[  214.135961][ T6485]  ? __x64_sys_mount+0x20/0xc0
[  214.140725][ T6485]  do_syscall_64+0x55/0xb0
[  214.145144][ T6485]  ? clear_bhb_loop+0x40/0x90
[  214.149822][ T6485]  ? clear_bhb_loop+0x40/0x90
[  214.154491][ T6485]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.160378][ T6485] RIP: 0033:0x7f79a2d90eea
[  214.164784][ T6485] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.184387][ T6485] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.192798][ T6485] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  214.200763][ T6485] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  214.208727][ T6485] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  214.216692][ T6485] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  214.224655][ T6485] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  214.232637][ T6485]  </TASK>
[  214.252797][ T6485] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.267107][ T6485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.580804][ T6488] loop1: detected capacity change from 0 to 32768
[  214.603132][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.610719][ T6488] CPU: 0 PID: 6488 Comm: syz.1.196 Not tainted syzkaller #0
[  214.618035][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  214.628092][ T6488] Call Trace:
[  214.631366][ T6488]  <TASK>
[  214.634292][ T6488]  dump_stack_lvl+0x16c/0x230
[  214.638974][ T6488]  ? show_regs_print_info+0x20/0x20
[  214.644170][ T6488]  ? load_image+0x3b0/0x3b0
[  214.648681][ T6488]  sysfs_create_dir_ns+0x256/0x280
[  214.653790][ T6488]  ? sysfs_warn_dup+0xa0/0xa0
[  214.658461][ T6488]  ? do_raw_spin_unlock+0x121/0x230
[  214.663679][ T6488]  kobject_add_internal+0x6b8/0xc70
[  214.668881][ T6488]  kobject_init_and_add+0x126/0x190
[  214.674075][ T6488]  ? lockdep_softirqs_off+0x430/0x430
[  214.679444][ T6488]  ? kobject_add+0x220/0x220
[  214.684030][ T6488]  ? __init_swait_queue_head+0xa9/0x150
[  214.689571][ T6488]  gfs2_sys_fs_add+0x238/0x470
[  214.694342][ T6488]  ? gfs2_recover_set+0x250/0x250
[  214.699363][ T6488]  ? apply_workqueue_attrs+0x180/0x180
[  214.704824][ T6488]  gfs2_fill_super+0x1323/0x1f80
[  214.709769][ T6488]  ? gfs2_reconfigure+0xb10/0xb10
[  214.714793][ T6488]  ? setup_bdev_super+0x56b/0x660
[  214.719806][ T6488]  get_tree_bdev+0x3e4/0x510
[  214.724387][ T6488]  ? end_current_label_crit_section+0x170/0x170
[  214.730628][ T6488]  ? gfs2_reconfigure+0xb10/0xb10
[  214.735656][ T6488]  ? setup_bdev_super+0x660/0x660
[  214.740691][ T6488]  gfs2_get_tree+0x51/0x1e0
[  214.745217][ T6488]  vfs_get_tree+0x8c/0x280
[  214.749636][ T6488]  do_new_mount+0x24b/0xa40
[  214.754136][ T6488]  __se_sys_mount+0x2da/0x3c0
[  214.758808][ T6488]  ? __x64_sys_mount+0xc0/0xc0
[  214.763563][ T6488]  ? lockdep_hardirqs_on+0x98/0x150
[  214.768754][ T6488]  ? __x64_sys_mount+0x20/0xc0
[  214.773507][ T6488]  do_syscall_64+0x55/0xb0
[  214.777910][ T6488]  ? clear_bhb_loop+0x40/0x90
[  214.782581][ T6488]  ? clear_bhb_loop+0x40/0x90
[  214.787270][ T6488]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.793157][ T6488] RIP: 0033:0x7f79a2d90eea
[  214.797566][ T6488] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.817173][ T6488] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.825591][ T6488] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  214.833561][ T6488] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  214.841527][ T6488] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  214.849503][ T6488] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  214.857468][ T6488] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  214.865446][ T6488]  </TASK>
[  214.869267][ T6488] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.886314][ T6488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.225574][ T6491] loop1: detected capacity change from 0 to 32768
[  215.241147][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.248919][ T6491] CPU: 1 PID: 6491 Comm: syz.1.197 Not tainted syzkaller #0
[  215.256229][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.266314][ T6491] Call Trace:
[  215.269618][ T6491]  <TASK>
[  215.272580][ T6491]  dump_stack_lvl+0x16c/0x230
[  215.277547][ T6491]  ? show_regs_print_info+0x20/0x20
[  215.282778][ T6491]  ? load_image+0x3b0/0x3b0
[  215.287327][ T6491]  sysfs_create_dir_ns+0x256/0x280
[  215.292475][ T6491]  ? sysfs_warn_dup+0xa0/0xa0
[  215.297186][ T6491]  ? do_raw_spin_unlock+0x121/0x230
[  215.302417][ T6491]  kobject_add_internal+0x6b8/0xc70
[  215.307690][ T6491]  kobject_init_and_add+0x126/0x190
[  215.312919][ T6491]  ? lockdep_softirqs_off+0x430/0x430
[  215.318324][ T6491]  ? kobject_add+0x220/0x220
[  215.322949][ T6491]  ? __init_swait_queue_head+0xa9/0x150
[  215.328522][ T6491]  gfs2_sys_fs_add+0x238/0x470
[  215.333317][ T6491]  ? gfs2_recover_set+0x250/0x250
[  215.338374][ T6491]  ? apply_workqueue_attrs+0x180/0x180
[  215.343871][ T6491]  gfs2_fill_super+0x1323/0x1f80
[  215.348859][ T6491]  ? gfs2_reconfigure+0xb10/0xb10
[  215.353910][ T6491]  ? setup_bdev_super+0x56b/0x660
[  215.358938][ T6491]  get_tree_bdev+0x3e4/0x510
[  215.363526][ T6491]  ? end_current_label_crit_section+0x170/0x170
[  215.369768][ T6491]  ? gfs2_reconfigure+0xb10/0xb10
[  215.374819][ T6491]  ? setup_bdev_super+0x660/0x660
[  215.379843][ T6491]  gfs2_get_tree+0x51/0x1e0
[  215.384343][ T6491]  vfs_get_tree+0x8c/0x280
[  215.388752][ T6491]  do_new_mount+0x24b/0xa40
[  215.393259][ T6491]  __se_sys_mount+0x2da/0x3c0
[  215.397929][ T6491]  ? __x64_sys_mount+0xc0/0xc0
[  215.402682][ T6491]  ? lockdep_hardirqs_on+0x98/0x150
[  215.407957][ T6491]  ? __x64_sys_mount+0x20/0xc0
[  215.412712][ T6491]  do_syscall_64+0x55/0xb0
[  215.417116][ T6491]  ? clear_bhb_loop+0x40/0x90
[  215.421786][ T6491]  ? clear_bhb_loop+0x40/0x90
[  215.426456][ T6491]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  215.432365][ T6491] RIP: 0033:0x7f79a2d90eea
[  215.436773][ T6491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.456390][ T6491] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.464822][ T6491] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  215.472799][ T6491] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  215.480771][ T6491] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  215.488742][ T6491] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  215.496706][ T6491] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  215.504681][ T6491]  </TASK>
[  215.509249][ T6491] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.523672][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.894865][ T6494] loop1: detected capacity change from 0 to 32768
[  215.907559][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.914977][ T6494] CPU: 1 PID: 6494 Comm: syz.1.198 Not tainted syzkaller #0
[  215.922303][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.932404][ T6494] Call Trace:
[  215.935783][ T6494]  <TASK>
[  215.938855][ T6494]  dump_stack_lvl+0x16c/0x230
[  215.943578][ T6494]  ? show_regs_print_info+0x20/0x20
[  215.948822][ T6494]  ? load_image+0x3b0/0x3b0
[  215.953375][ T6494]  sysfs_create_dir_ns+0x256/0x280
[  215.958528][ T6494]  ? sysfs_warn_dup+0xa0/0xa0
[  215.963243][ T6494]  ? do_raw_spin_unlock+0x121/0x230
[  215.968476][ T6494]  kobject_add_internal+0x6b8/0xc70
[  215.973711][ T6494]  kobject_init_and_add+0x126/0x190
[  215.978943][ T6494]  ? lockdep_softirqs_off+0x430/0x430
[  215.984361][ T6494]  ? kobject_add+0x220/0x220
[  215.988987][ T6494]  ? __init_swait_queue_head+0xa9/0x150
[  215.994653][ T6494]  gfs2_sys_fs_add+0x238/0x470
[  215.999449][ T6494]  ? gfs2_recover_set+0x250/0x250
[  216.004530][ T6494]  ? apply_workqueue_attrs+0x180/0x180
[  216.010034][ T6494]  gfs2_fill_super+0x1323/0x1f80
[  216.015021][ T6494]  ? gfs2_reconfigure+0xb10/0xb10
[  216.020085][ T6494]  ? setup_bdev_super+0x56b/0x660
[  216.025292][ T6494]  get_tree_bdev+0x3e4/0x510
[  216.029903][ T6494]  ? end_current_label_crit_section+0x170/0x170
[  216.036174][ T6494]  ? gfs2_reconfigure+0xb10/0xb10
[  216.041202][ T6494]  ? setup_bdev_super+0x660/0x660
[  216.046231][ T6494]  gfs2_get_tree+0x51/0x1e0
[  216.050740][ T6494]  vfs_get_tree+0x8c/0x280
[  216.055158][ T6494]  do_new_mount+0x24b/0xa40
[  216.059659][ T6494]  __se_sys_mount+0x2da/0x3c0
[  216.064347][ T6494]  ? __x64_sys_mount+0xc0/0xc0
[  216.069112][ T6494]  ? lockdep_hardirqs_on+0x98/0x150
[  216.074308][ T6494]  ? __x64_sys_mount+0x20/0xc0
[  216.079070][ T6494]  do_syscall_64+0x55/0xb0
[  216.083481][ T6494]  ? clear_bhb_loop+0x40/0x90
[  216.088152][ T6494]  ? clear_bhb_loop+0x40/0x90
[  216.092826][ T6494]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.098714][ T6494] RIP: 0033:0x7f79a2d90eea
[  216.103212][ T6494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.122830][ T6494] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.131430][ T6494] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  216.139399][ T6494] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  216.147361][ T6494] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  216.155328][ T6494] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  216.163468][ T6494] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  216.171450][ T6494]  </TASK>
[  216.175189][ T6494] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.189775][ T6494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.568670][ T6497] loop1: detected capacity change from 0 to 32768
[  216.580798][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.589112][ T6497] CPU: 0 PID: 6497 Comm: syz.1.199 Not tainted syzkaller #0
[  216.596457][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.606527][ T6497] Call Trace:
[  216.609910][ T6497]  <TASK>
[  216.612864][ T6497]  dump_stack_lvl+0x16c/0x230
[  216.617618][ T6497]  ? show_regs_print_info+0x20/0x20
[  216.622855][ T6497]  ? load_image+0x3b0/0x3b0
[  216.627404][ T6497]  sysfs_create_dir_ns+0x256/0x280
[  216.632551][ T6497]  ? sysfs_warn_dup+0xa0/0xa0
[  216.637262][ T6497]  ? do_raw_spin_unlock+0x121/0x230
[  216.642488][ T6497]  kobject_add_internal+0x6b8/0xc70
[  216.647716][ T6497]  kobject_init_and_add+0x126/0x190
[  216.652951][ T6497]  ? lockdep_softirqs_off+0x430/0x430
[  216.658360][ T6497]  ? kobject_add+0x220/0x220
[  216.662987][ T6497]  ? __init_swait_queue_head+0xa9/0x150
[  216.668564][ T6497]  gfs2_sys_fs_add+0x238/0x470
[  216.673366][ T6497]  ? gfs2_recover_set+0x250/0x250
[  216.678428][ T6497]  ? apply_workqueue_attrs+0x180/0x180
[  216.683920][ T6497]  gfs2_fill_super+0x1323/0x1f80
[  216.688902][ T6497]  ? gfs2_reconfigure+0xb10/0xb10
[  216.693971][ T6497]  ? setup_bdev_super+0x56b/0x660
[  216.699022][ T6497]  get_tree_bdev+0x3e4/0x510
[  216.703641][ T6497]  ? end_current_label_crit_section+0x170/0x170
[  216.709889][ T6497]  ? gfs2_reconfigure+0xb10/0xb10
[  216.714913][ T6497]  ? setup_bdev_super+0x660/0x660
[  216.719949][ T6497]  gfs2_get_tree+0x51/0x1e0
[  216.724499][ T6497]  vfs_get_tree+0x8c/0x280
[  216.729062][ T6497]  do_new_mount+0x24b/0xa40
[  216.733561][ T6497]  __se_sys_mount+0x2da/0x3c0
[  216.738246][ T6497]  ? __x64_sys_mount+0xc0/0xc0
[  216.743014][ T6497]  ? lockdep_hardirqs_on+0x98/0x150
[  216.748210][ T6497]  ? __x64_sys_mount+0x20/0xc0
[  216.753060][ T6497]  do_syscall_64+0x55/0xb0
[  216.757469][ T6497]  ? clear_bhb_loop+0x40/0x90
[  216.762132][ T6497]  ? clear_bhb_loop+0x40/0x90
[  216.766803][ T6497]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.772691][ T6497] RIP: 0033:0x7f79a2d90eea
[  216.777094][ T6497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.796697][ T6497] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.805104][ T6497] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  216.813068][ T6497] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  216.821027][ T6497] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  216.828989][ T6497] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  216.836950][ T6497] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  216.844919][ T6497]  </TASK>
[  216.849891][ T6497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.863956][ T6497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.216625][ T6500] loop1: detected capacity change from 0 to 32768
[  217.228735][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.236162][ T6500] CPU: 1 PID: 6500 Comm: syz.1.200 Not tainted syzkaller #0
[  217.243481][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.253575][ T6500] Call Trace:
[  217.256878][ T6500]  <TASK>
[  217.259835][ T6500]  dump_stack_lvl+0x16c/0x230
[  217.264640][ T6500]  ? show_regs_print_info+0x20/0x20
[  217.269884][ T6500]  ? load_image+0x3b0/0x3b0
[  217.274438][ T6500]  sysfs_create_dir_ns+0x256/0x280
[  217.279578][ T6500]  ? sysfs_warn_dup+0xa0/0xa0
[  217.284285][ T6500]  ? do_raw_spin_unlock+0x121/0x230
[  217.289510][ T6500]  kobject_add_internal+0x6b8/0xc70
[  217.294724][ T6500]  kobject_init_and_add+0x126/0x190
[  217.299920][ T6500]  ? lockdep_softirqs_off+0x430/0x430
[  217.305291][ T6500]  ? kobject_add+0x220/0x220
[  217.309887][ T6500]  ? __init_swait_queue_head+0xa9/0x150
[  217.315485][ T6500]  gfs2_sys_fs_add+0x238/0x470
[  217.320251][ T6500]  ? gfs2_recover_set+0x250/0x250
[  217.325274][ T6500]  ? apply_workqueue_attrs+0x180/0x180
[  217.330735][ T6500]  gfs2_fill_super+0x1323/0x1f80
[  217.335678][ T6500]  ? gfs2_reconfigure+0xb10/0xb10
[  217.340710][ T6500]  ? setup_bdev_super+0x56b/0x660
[  217.345728][ T6500]  get_tree_bdev+0x3e4/0x510
[  217.350313][ T6500]  ? end_current_label_crit_section+0x170/0x170
[  217.356550][ T6500]  ? gfs2_reconfigure+0xb10/0xb10
[  217.361569][ T6500]  ? setup_bdev_super+0x660/0x660
[  217.366589][ T6500]  gfs2_get_tree+0x51/0x1e0
[  217.371089][ T6500]  vfs_get_tree+0x8c/0x280
[  217.375498][ T6500]  do_new_mount+0x24b/0xa40
[  217.380026][ T6500]  __se_sys_mount+0x2da/0x3c0
[  217.384710][ T6500]  ? __x64_sys_mount+0xc0/0xc0
[  217.389474][ T6500]  ? lockdep_hardirqs_on+0x98/0x150
[  217.394677][ T6500]  ? __x64_sys_mount+0x20/0xc0
[  217.399433][ T6500]  do_syscall_64+0x55/0xb0
[  217.403843][ T6500]  ? clear_bhb_loop+0x40/0x90
[  217.408517][ T6500]  ? clear_bhb_loop+0x40/0x90
[  217.413199][ T6500]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  217.419084][ T6500] RIP: 0033:0x7f79a2d90eea
[  217.423492][ T6500] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.443146][ T6500] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.451555][ T6500] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  217.459521][ T6500] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  217.467483][ T6500] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  217.475451][ T6500] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  217.483471][ T6500] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  217.491461][ T6500]  </TASK>
[  217.496800][ T6500] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.515856][ T6500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.842512][ T6503] loop1: detected capacity change from 0 to 32768
[  217.854387][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.862226][ T6503] CPU: 1 PID: 6503 Comm: syz.1.201 Not tainted syzkaller #0
[  217.869545][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.879618][ T6503] Call Trace:
[  217.882898][ T6503]  <TASK>
[  217.885826][ T6503]  dump_stack_lvl+0x16c/0x230
[  217.890511][ T6503]  ? show_regs_print_info+0x20/0x20
[  217.895704][ T6503]  ? load_image+0x3b0/0x3b0
[  217.900210][ T6503]  sysfs_create_dir_ns+0x256/0x280
[  217.905325][ T6503]  ? sysfs_warn_dup+0xa0/0xa0
[  217.909998][ T6503]  ? do_raw_spin_unlock+0x121/0x230
[  217.915199][ T6503]  kobject_add_internal+0x6b8/0xc70
[  217.920418][ T6503]  kobject_init_and_add+0x126/0x190
[  217.925654][ T6503]  ? lockdep_softirqs_off+0x430/0x430
[  217.931046][ T6503]  ? kobject_add+0x220/0x220
[  217.935645][ T6503]  ? __init_swait_queue_head+0xa9/0x150
[  217.941193][ T6503]  gfs2_sys_fs_add+0x238/0x470
[  217.945955][ T6503]  ? gfs2_recover_set+0x250/0x250
[  217.950981][ T6503]  ? apply_workqueue_attrs+0x180/0x180
[  217.956555][ T6503]  gfs2_fill_super+0x1323/0x1f80
[  217.961526][ T6503]  ? gfs2_reconfigure+0xb10/0xb10
[  217.966571][ T6503]  ? setup_bdev_super+0x56b/0x660
[  217.971597][ T6503]  get_tree_bdev+0x3e4/0x510
[  217.976182][ T6503]  ? end_current_label_crit_section+0x170/0x170
[  217.982416][ T6503]  ? gfs2_reconfigure+0xb10/0xb10
[  217.987437][ T6503]  ? setup_bdev_super+0x660/0x660
[  217.992462][ T6503]  gfs2_get_tree+0x51/0x1e0
[  217.996970][ T6503]  vfs_get_tree+0x8c/0x280
[  218.001404][ T6503]  do_new_mount+0x24b/0xa40
[  218.005904][ T6503]  __se_sys_mount+0x2da/0x3c0
[  218.010574][ T6503]  ? __x64_sys_mount+0xc0/0xc0
[  218.015331][ T6503]  ? lockdep_hardirqs_on+0x98/0x150
[  218.020524][ T6503]  ? __x64_sys_mount+0x20/0xc0
[  218.025282][ T6503]  do_syscall_64+0x55/0xb0
[  218.029696][ T6503]  ? clear_bhb_loop+0x40/0x90
[  218.034368][ T6503]  ? clear_bhb_loop+0x40/0x90
[  218.039047][ T6503]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.044938][ T6503] RIP: 0033:0x7f79a2d90eea
[  218.049369][ T6503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.068973][ T6503] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.077381][ T6503] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  218.085345][ T6503] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  218.093315][ T6503] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  218.101276][ T6503] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  218.109245][ T6503] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  218.117223][ T6503]  </TASK>
[  218.130882][ T6503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.148284][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.470752][ T6506] loop1: detected capacity change from 0 to 32768
[  218.483167][ T6506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.493391][ T6506] CPU: 0 PID: 6506 Comm: syz.1.202 Not tainted syzkaller #0
[  218.500731][ T6506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  218.510784][ T6506] Call Trace:
[  218.514059][ T6506]  <TASK>
[  218.516983][ T6506]  dump_stack_lvl+0x16c/0x230
[  218.521667][ T6506]  ? show_regs_print_info+0x20/0x20
[  218.526870][ T6506]  ? load_image+0x3b0/0x3b0
[  218.531385][ T6506]  sysfs_create_dir_ns+0x256/0x280
[  218.536516][ T6506]  ? sysfs_warn_dup+0xa0/0xa0
[  218.541196][ T6506]  ? do_raw_spin_unlock+0x121/0x230
[  218.546410][ T6506]  kobject_add_internal+0x6b8/0xc70
[  218.551613][ T6506]  kobject_init_and_add+0x126/0x190
[  218.556806][ T6506]  ? lockdep_softirqs_off+0x430/0x430
[  218.562178][ T6506]  ? kobject_add+0x220/0x220
[  218.566767][ T6506]  ? __init_swait_queue_head+0xa9/0x150
[  218.572313][ T6506]  gfs2_sys_fs_add+0x238/0x470
[  218.577078][ T6506]  ? gfs2_recover_set+0x250/0x250
[  218.582107][ T6506]  ? apply_workqueue_attrs+0x180/0x180
[  218.587571][ T6506]  gfs2_fill_super+0x1323/0x1f80
[  218.592516][ T6506]  ? gfs2_reconfigure+0xb10/0xb10
[  218.597542][ T6506]  ? setup_bdev_super+0x56b/0x660
[  218.602560][ T6506]  get_tree_bdev+0x3e4/0x510
[  218.607145][ T6506]  ? end_current_label_crit_section+0x170/0x170
[  218.613381][ T6506]  ? gfs2_reconfigure+0xb10/0xb10
[  218.618412][ T6506]  ? setup_bdev_super+0x660/0x660
[  218.623487][ T6506]  gfs2_get_tree+0x51/0x1e0
[  218.627992][ T6506]  vfs_get_tree+0x8c/0x280
[  218.632421][ T6506]  do_new_mount+0x24b/0xa40
[  218.636926][ T6506]  __se_sys_mount+0x2da/0x3c0
[  218.641597][ T6506]  ? __x64_sys_mount+0xc0/0xc0
[  218.646353][ T6506]  ? lockdep_hardirqs_on+0x98/0x150
[  218.651584][ T6506]  ? __x64_sys_mount+0x20/0xc0
[  218.656345][ T6506]  do_syscall_64+0x55/0xb0
[  218.660757][ T6506]  ? clear_bhb_loop+0x40/0x90
[  218.665428][ T6506]  ? clear_bhb_loop+0x40/0x90
[  218.670098][ T6506]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.675985][ T6506] RIP: 0033:0x7f79a2d90eea
[  218.680421][ T6506] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.700031][ T6506] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.708484][ T6506] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  218.716892][ T6506] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  218.725035][ T6506] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  218.733012][ T6506] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  218.741157][ T6506] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  218.749140][ T6506]  </TASK>
[  218.754049][ T6506] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.768904][ T6506] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 09:45:03 executed programs: 188
[  219.108218][ T6509] loop1: detected capacity change from 0 to 32768
[  219.121065][ T6509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.128598][ T6509] CPU: 1 PID: 6509 Comm: syz.1.203 Not tainted syzkaller #0
[  219.136345][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.146434][ T6509] Call Trace:
[  219.149747][ T6509]  <TASK>
[  219.152701][ T6509]  dump_stack_lvl+0x16c/0x230
[  219.157419][ T6509]  ? show_regs_print_info+0x20/0x20
[  219.162643][ T6509]  ? load_image+0x3b0/0x3b0
[  219.167176][ T6509]  sysfs_create_dir_ns+0x256/0x280
[  219.172318][ T6509]  ? sysfs_warn_dup+0xa0/0xa0
[  219.177031][ T6509]  ? do_raw_spin_unlock+0x121/0x230
[  219.182261][ T6509]  kobject_add_internal+0x6b8/0xc70
[  219.187495][ T6509]  kobject_init_and_add+0x126/0x190
[  219.192722][ T6509]  ? lockdep_softirqs_off+0x430/0x430
[  219.198117][ T6509]  ? kobject_add+0x220/0x220
[  219.202741][ T6509]  ? __init_swait_queue_head+0xa9/0x150
[  219.208313][ T6509]  gfs2_sys_fs_add+0x238/0x470
[  219.213111][ T6509]  ? gfs2_recover_set+0x250/0x250
[  219.218165][ T6509]  ? apply_workqueue_attrs+0x180/0x180
[  219.223657][ T6509]  gfs2_fill_super+0x1323/0x1f80
[  219.228637][ T6509]  ? gfs2_reconfigure+0xb10/0xb10
[  219.233693][ T6509]  ? setup_bdev_super+0x56b/0x660
[  219.238743][ T6509]  get_tree_bdev+0x3e4/0x510
[  219.243351][ T6509]  ? end_current_label_crit_section+0x170/0x170
[  219.249595][ T6509]  ? gfs2_reconfigure+0xb10/0xb10
[  219.254619][ T6509]  ? setup_bdev_super+0x660/0x660
[  219.259640][ T6509]  gfs2_get_tree+0x51/0x1e0
[  219.264138][ T6509]  vfs_get_tree+0x8c/0x280
[  219.268555][ T6509]  do_new_mount+0x24b/0xa40
[  219.273055][ T6509]  __se_sys_mount+0x2da/0x3c0
[  219.277725][ T6509]  ? __x64_sys_mount+0xc0/0xc0
[  219.282482][ T6509]  ? lockdep_hardirqs_on+0x98/0x150
[  219.287674][ T6509]  ? __x64_sys_mount+0x20/0xc0
[  219.292428][ T6509]  do_syscall_64+0x55/0xb0
[  219.296837][ T6509]  ? clear_bhb_loop+0x40/0x90
[  219.301506][ T6509]  ? clear_bhb_loop+0x40/0x90
[  219.306177][ T6509]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  219.312062][ T6509] RIP: 0033:0x7f79a2d90eea
[  219.316468][ T6509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.336080][ T6509] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.344488][ T6509] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  219.352464][ T6509] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  219.360431][ T6509] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  219.368396][ T6509] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  219.376391][ T6509] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  219.384397][ T6509]  </TASK>
[  219.398146][ T6509] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.412815][ T6509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.770301][ T6512] loop1: detected capacity change from 0 to 32768
[  219.786620][ T6512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.794182][ T6512] CPU: 0 PID: 6512 Comm: syz.1.204 Not tainted syzkaller #0
[  219.801496][ T6512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.811673][ T6512] Call Trace:
[  219.814993][ T6512]  <TASK>
[  219.817941][ T6512]  dump_stack_lvl+0x16c/0x230
[  219.822650][ T6512]  ? show_regs_print_info+0x20/0x20
[  219.827881][ T6512]  ? load_image+0x3b0/0x3b0
[  219.832423][ T6512]  sysfs_create_dir_ns+0x256/0x280
[  219.837561][ T6512]  ? sysfs_warn_dup+0xa0/0xa0
[  219.842246][ T6512]  ? do_raw_spin_unlock+0x121/0x230
[  219.847444][ T6512]  kobject_add_internal+0x6b8/0xc70
[  219.852645][ T6512]  kobject_init_and_add+0x126/0x190
[  219.857858][ T6512]  ? lockdep_softirqs_off+0x430/0x430
[  219.863256][ T6512]  ? kobject_add+0x220/0x220
[  219.867868][ T6512]  ? __init_swait_queue_head+0xa9/0x150
[  219.873409][ T6512]  gfs2_sys_fs_add+0x238/0x470
[  219.878173][ T6512]  ? gfs2_recover_set+0x250/0x250
[  219.883197][ T6512]  ? apply_workqueue_attrs+0x180/0x180
[  219.888660][ T6512]  gfs2_fill_super+0x1323/0x1f80
[  219.893600][ T6512]  ? gfs2_reconfigure+0xb10/0xb10
[  219.898627][ T6512]  ? setup_bdev_super+0x56b/0x660
[  219.903651][ T6512]  get_tree_bdev+0x3e4/0x510
[  219.908241][ T6512]  ? end_current_label_crit_section+0x170/0x170
[  219.914478][ T6512]  ? gfs2_reconfigure+0xb10/0xb10
[  219.919524][ T6512]  ? setup_bdev_super+0x660/0x660
[  219.924571][ T6512]  gfs2_get_tree+0x51/0x1e0
[  219.929083][ T6512]  vfs_get_tree+0x8c/0x280
[  219.933497][ T6512]  do_new_mount+0x24b/0xa40
[  219.938007][ T6512]  __se_sys_mount+0x2da/0x3c0
[  219.942680][ T6512]  ? __x64_sys_mount+0xc0/0xc0
[  219.947434][ T6512]  ? lockdep_hardirqs_on+0x98/0x150
[  219.952647][ T6512]  ? __x64_sys_mount+0x20/0xc0
[  219.957413][ T6512]  do_syscall_64+0x55/0xb0
[  219.961818][ T6512]  ? clear_bhb_loop+0x40/0x90
[  219.966490][ T6512]  ? clear_bhb_loop+0x40/0x90
[  219.971166][ T6512]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  219.977051][ T6512] RIP: 0033:0x7f79a2d90eea
[  219.981463][ T6512] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.001078][ T6512] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.009510][ T6512] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  220.017484][ T6512] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  220.025880][ T6512] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  220.033850][ T6512] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  220.041834][ T6512] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  220.049832][ T6512]  </TASK>
[  220.063467][ T6512] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.078519][ T6512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.418392][ T6515] loop1: detected capacity change from 0 to 32768
[  220.436615][ T6515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.444111][ T6515] CPU: 0 PID: 6515 Comm: syz.1.205 Not tainted syzkaller #0
[  220.451418][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  220.461485][ T6515] Call Trace:
[  220.464759][ T6515]  <TASK>
[  220.467679][ T6515]  dump_stack_lvl+0x16c/0x230
[  220.472352][ T6515]  ? show_regs_print_info+0x20/0x20
[  220.477548][ T6515]  ? load_image+0x3b0/0x3b0
[  220.482051][ T6515]  sysfs_create_dir_ns+0x256/0x280
[  220.487162][ T6515]  ? sysfs_warn_dup+0xa0/0xa0
[  220.491834][ T6515]  ? do_raw_spin_unlock+0x121/0x230
[  220.497038][ T6515]  kobject_add_internal+0x6b8/0xc70
[  220.502254][ T6515]  kobject_init_and_add+0x126/0x190
[  220.507446][ T6515]  ? lockdep_softirqs_off+0x430/0x430
[  220.512811][ T6515]  ? kobject_add+0x220/0x220
[  220.517392][ T6515]  ? __init_swait_queue_head+0xa9/0x150
[  220.522952][ T6515]  gfs2_sys_fs_add+0x238/0x470
[  220.527732][ T6515]  ? gfs2_recover_set+0x250/0x250
[  220.532849][ T6515]  ? apply_workqueue_attrs+0x180/0x180
[  220.538313][ T6515]  gfs2_fill_super+0x1323/0x1f80
[  220.543261][ T6515]  ? gfs2_reconfigure+0xb10/0xb10
[  220.548304][ T6515]  ? setup_bdev_super+0x56b/0x660
[  220.553338][ T6515]  get_tree_bdev+0x3e4/0x510
[  220.557924][ T6515]  ? end_current_label_crit_section+0x170/0x170
[  220.564159][ T6515]  ? gfs2_reconfigure+0xb10/0xb10
[  220.569185][ T6515]  ? setup_bdev_super+0x660/0x660
[  220.574219][ T6515]  gfs2_get_tree+0x51/0x1e0
[  220.578726][ T6515]  vfs_get_tree+0x8c/0x280
[  220.583314][ T6515]  do_new_mount+0x24b/0xa40
[  220.587833][ T6515]  __se_sys_mount+0x2da/0x3c0
[  220.592512][ T6515]  ? __x64_sys_mount+0xc0/0xc0
[  220.597281][ T6515]  ? lockdep_hardirqs_on+0x98/0x150
[  220.602504][ T6515]  ? __x64_sys_mount+0x20/0xc0
[  220.607271][ T6515]  do_syscall_64+0x55/0xb0
[  220.611689][ T6515]  ? clear_bhb_loop+0x40/0x90
[  220.616355][ T6515]  ? clear_bhb_loop+0x40/0x90
[  220.621034][ T6515]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  220.626928][ T6515] RIP: 0033:0x7f79a2d90eea
[  220.631337][ T6515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.650938][ T6515] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.659347][ T6515] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  220.667316][ T6515] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  220.675280][ T6515] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  220.683250][ T6515] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  220.691250][ T6515] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  220.699257][ T6515]  </TASK>
[  220.703096][ T6515] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.717065][ T6515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.053107][ T6518] loop1: detected capacity change from 0 to 32768
[  221.062762][ T6518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.070289][ T6518] CPU: 0 PID: 6518 Comm: syz.1.206 Not tainted syzkaller #0
[  221.077596][ T6518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.087673][ T6518] Call Trace:
[  221.090973][ T6518]  <TASK>
[  221.093925][ T6518]  dump_stack_lvl+0x16c/0x230
[  221.098638][ T6518]  ? show_regs_print_info+0x20/0x20
[  221.103877][ T6518]  ? load_image+0x3b0/0x3b0
[  221.108430][ T6518]  sysfs_create_dir_ns+0x256/0x280
[  221.113589][ T6518]  ? sysfs_warn_dup+0xa0/0xa0
[  221.118304][ T6518]  ? do_raw_spin_unlock+0x121/0x230
[  221.123528][ T6518]  kobject_add_internal+0x6b8/0xc70
[  221.128763][ T6518]  kobject_init_and_add+0x126/0x190
[  221.133991][ T6518]  ? lockdep_softirqs_off+0x430/0x430
[  221.139385][ T6518]  ? kobject_add+0x220/0x220
[  221.143972][ T6518]  ? __init_swait_queue_head+0xa9/0x150
[  221.149511][ T6518]  gfs2_sys_fs_add+0x238/0x470
[  221.154268][ T6518]  ? gfs2_recover_set+0x250/0x250
[  221.159290][ T6518]  ? apply_workqueue_attrs+0x180/0x180
[  221.164752][ T6518]  gfs2_fill_super+0x1323/0x1f80
[  221.169697][ T6518]  ? gfs2_reconfigure+0xb10/0xb10
[  221.174724][ T6518]  ? setup_bdev_super+0x56b/0x660
[  221.179743][ T6518]  get_tree_bdev+0x3e4/0x510
[  221.184329][ T6518]  ? end_current_label_crit_section+0x170/0x170
[  221.190566][ T6518]  ? gfs2_reconfigure+0xb10/0xb10
[  221.195588][ T6518]  ? setup_bdev_super+0x660/0x660
[  221.200613][ T6518]  gfs2_get_tree+0x51/0x1e0
[  221.205129][ T6518]  vfs_get_tree+0x8c/0x280
[  221.209539][ T6518]  do_new_mount+0x24b/0xa40
[  221.214044][ T6518]  __se_sys_mount+0x2da/0x3c0
[  221.218727][ T6518]  ? __x64_sys_mount+0xc0/0xc0
[  221.223484][ T6518]  ? lockdep_hardirqs_on+0x98/0x150
[  221.228682][ T6518]  ? __x64_sys_mount+0x20/0xc0
[  221.233439][ T6518]  do_syscall_64+0x55/0xb0
[  221.237848][ T6518]  ? clear_bhb_loop+0x40/0x90
[  221.242516][ T6518]  ? clear_bhb_loop+0x40/0x90
[  221.247193][ T6518]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.253077][ T6518] RIP: 0033:0x7f79a2d90eea
[  221.257485][ T6518] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.277094][ T6518] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.285502][ T6518] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  221.293467][ T6518] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  221.301441][ T6518] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  221.309414][ T6518] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  221.317380][ T6518] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  221.325353][ T6518]  </TASK>
[  221.335998][ T6518] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.350219][ T6518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.708664][ T6521] loop1: detected capacity change from 0 to 32768
[  221.726794][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.734257][ T6521] CPU: 0 PID: 6521 Comm: syz.1.207 Not tainted syzkaller #0
[  221.741572][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.751657][ T6521] Call Trace:
[  221.754965][ T6521]  <TASK>
[  221.757922][ T6521]  dump_stack_lvl+0x16c/0x230
[  221.762644][ T6521]  ? show_regs_print_info+0x20/0x20
[  221.767879][ T6521]  ? load_image+0x3b0/0x3b0
[  221.772427][ T6521]  sysfs_create_dir_ns+0x256/0x280
[  221.777575][ T6521]  ? sysfs_warn_dup+0xa0/0xa0
[  221.782285][ T6521]  ? do_raw_spin_unlock+0x121/0x230
[  221.787513][ T6521]  kobject_add_internal+0x6b8/0xc70
[  221.792750][ T6521]  kobject_init_and_add+0x126/0x190
[  221.797981][ T6521]  ? lockdep_softirqs_off+0x430/0x430
[  221.803392][ T6521]  ? kobject_add+0x220/0x220
[  221.808040][ T6521]  ? __init_swait_queue_head+0xa9/0x150
[  221.813881][ T6521]  gfs2_sys_fs_add+0x238/0x470
[  221.818649][ T6521]  ? gfs2_recover_set+0x250/0x250
[  221.823685][ T6521]  ? apply_workqueue_attrs+0x180/0x180
[  221.829148][ T6521]  gfs2_fill_super+0x1323/0x1f80
[  221.834092][ T6521]  ? gfs2_reconfigure+0xb10/0xb10
[  221.839137][ T6521]  ? setup_bdev_super+0x56b/0x660
[  221.844166][ T6521]  get_tree_bdev+0x3e4/0x510
[  221.848749][ T6521]  ? end_current_label_crit_section+0x170/0x170
[  221.854983][ T6521]  ? gfs2_reconfigure+0xb10/0xb10
[  221.860002][ T6521]  ? setup_bdev_super+0x660/0x660
[  221.865030][ T6521]  gfs2_get_tree+0x51/0x1e0
[  221.869533][ T6521]  vfs_get_tree+0x8c/0x280
[  221.873943][ T6521]  do_new_mount+0x24b/0xa40
[  221.878445][ T6521]  __se_sys_mount+0x2da/0x3c0
[  221.883122][ T6521]  ? __x64_sys_mount+0xc0/0xc0
[  221.887880][ T6521]  ? lockdep_hardirqs_on+0x98/0x150
[  221.893075][ T6521]  ? __x64_sys_mount+0x20/0xc0
[  221.897831][ T6521]  do_syscall_64+0x55/0xb0
[  221.902243][ T6521]  ? clear_bhb_loop+0x40/0x90
[  221.907016][ T6521]  ? clear_bhb_loop+0x40/0x90
[  221.911703][ T6521]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.917601][ T6521] RIP: 0033:0x7f79a2d90eea
[  221.922013][ T6521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.941704][ T6521] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.950115][ T6521] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  221.958081][ T6521] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  221.966048][ T6521] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  221.974014][ T6521] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  221.981979][ T6521] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  221.989956][ T6521]  </TASK>
[  221.995356][ T6521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.014682][ T6521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.226583][ T5079] Bluetooth: hci1: command 0x0406 tx timeout
[  222.342588][ T6524] loop1: detected capacity change from 0 to 32768
[  222.358537][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.366022][ T6524] CPU: 0 PID: 6524 Comm: syz.1.208 Not tainted syzkaller #0
[  222.373336][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  222.383420][ T6524] Call Trace:
[  222.386765][ T6524]  <TASK>
[  222.389718][ T6524]  dump_stack_lvl+0x16c/0x230
[  222.394432][ T6524]  ? show_regs_print_info+0x20/0x20
[  222.399669][ T6524]  ? load_image+0x3b0/0x3b0
[  222.404229][ T6524]  sysfs_create_dir_ns+0x256/0x280
[  222.409382][ T6524]  ? sysfs_warn_dup+0xa0/0xa0
[  222.414099][ T6524]  ? do_raw_spin_unlock+0x121/0x230
[  222.419344][ T6524]  kobject_add_internal+0x6b8/0xc70
[  222.424582][ T6524]  kobject_init_and_add+0x126/0x190
[  222.429819][ T6524]  ? lockdep_softirqs_off+0x430/0x430
[  222.435231][ T6524]  ? kobject_add+0x220/0x220
[  222.439862][ T6524]  ? __init_swait_queue_head+0xa9/0x150
[  222.445447][ T6524]  gfs2_sys_fs_add+0x238/0x470
[  222.450232][ T6524]  ? gfs2_recover_set+0x250/0x250
[  222.455262][ T6524]  ? apply_workqueue_attrs+0x180/0x180
[  222.460730][ T6524]  gfs2_fill_super+0x1323/0x1f80
[  222.465677][ T6524]  ? gfs2_reconfigure+0xb10/0xb10
[  222.470707][ T6524]  ? setup_bdev_super+0x56b/0x660
[  222.475723][ T6524]  get_tree_bdev+0x3e4/0x510
[  222.480306][ T6524]  ? end_current_label_crit_section+0x170/0x170
[  222.486550][ T6524]  ? gfs2_reconfigure+0xb10/0xb10
[  222.491577][ T6524]  ? setup_bdev_super+0x660/0x660
[  222.496607][ T6524]  gfs2_get_tree+0x51/0x1e0
[  222.501110][ T6524]  vfs_get_tree+0x8c/0x280
[  222.505518][ T6524]  do_new_mount+0x24b/0xa40
[  222.510019][ T6524]  __se_sys_mount+0x2da/0x3c0
[  222.514692][ T6524]  ? __x64_sys_mount+0xc0/0xc0
[  222.519447][ T6524]  ? lockdep_hardirqs_on+0x98/0x150
[  222.524644][ T6524]  ? __x64_sys_mount+0x20/0xc0
[  222.529409][ T6524]  do_syscall_64+0x55/0xb0
[  222.533817][ T6524]  ? clear_bhb_loop+0x40/0x90
[  222.538488][ T6524]  ? clear_bhb_loop+0x40/0x90
[  222.543160][ T6524]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  222.549048][ T6524] RIP: 0033:0x7f79a2d90eea
[  222.553461][ T6524] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.573063][ T6524] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.581476][ T6524] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  222.589445][ T6524] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  222.597408][ T6524] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  222.605372][ T6524] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  222.613336][ T6524] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  222.621315][ T6524]  </TASK>
[  222.630013][ T6524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.644238][ T6524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.962499][ T6527] loop1: detected capacity change from 0 to 32768
[  222.979694][ T6527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.987276][ T6527] CPU: 1 PID: 6527 Comm: syz.1.209 Not tainted syzkaller #0
[  222.994763][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.004841][ T6527] Call Trace:
[  223.008139][ T6527]  <TASK>
[  223.011110][ T6527]  dump_stack_lvl+0x16c/0x230
[  223.015829][ T6527]  ? show_regs_print_info+0x20/0x20
[  223.021071][ T6527]  ? load_image+0x3b0/0x3b0
[  223.025618][ T6527]  sysfs_create_dir_ns+0x256/0x280
[  223.030762][ T6527]  ? sysfs_warn_dup+0xa0/0xa0
[  223.035472][ T6527]  ? do_raw_spin_unlock+0x121/0x230
[  223.040710][ T6527]  kobject_add_internal+0x6b8/0xc70
[  223.045959][ T6527]  kobject_init_and_add+0x126/0x190
[  223.051195][ T6527]  ? lockdep_softirqs_off+0x430/0x430
[  223.056602][ T6527]  ? kobject_add+0x220/0x220
[  223.061231][ T6527]  ? __init_swait_queue_head+0xa9/0x150
[  223.066810][ T6527]  gfs2_sys_fs_add+0x238/0x470
[  223.071604][ T6527]  ? gfs2_recover_set+0x250/0x250
[  223.076664][ T6527]  ? apply_workqueue_attrs+0x180/0x180
[  223.082159][ T6527]  gfs2_fill_super+0x1323/0x1f80
[  223.087136][ T6527]  ? gfs2_reconfigure+0xb10/0xb10
[  223.092189][ T6527]  ? setup_bdev_super+0x56b/0x660
[  223.097210][ T6527]  get_tree_bdev+0x3e4/0x510
[  223.101806][ T6527]  ? end_current_label_crit_section+0x170/0x170
[  223.108051][ T6527]  ? gfs2_reconfigure+0xb10/0xb10
[  223.113079][ T6527]  ? setup_bdev_super+0x660/0x660
[  223.118134][ T6527]  gfs2_get_tree+0x51/0x1e0
[  223.122637][ T6527]  vfs_get_tree+0x8c/0x280
[  223.127052][ T6527]  do_new_mount+0x24b/0xa40
[  223.131553][ T6527]  __se_sys_mount+0x2da/0x3c0
[  223.136228][ T6527]  ? __x64_sys_mount+0xc0/0xc0
[  223.140988][ T6527]  ? lockdep_hardirqs_on+0x98/0x150
[  223.146183][ T6527]  ? __x64_sys_mount+0x20/0xc0
[  223.150947][ T6527]  do_syscall_64+0x55/0xb0
[  223.155366][ T6527]  ? clear_bhb_loop+0x40/0x90
[  223.160039][ T6527]  ? clear_bhb_loop+0x40/0x90
[  223.164708][ T6527]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.170593][ T6527] RIP: 0033:0x7f79a2d90eea
[  223.174998][ T6527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.194603][ T6527] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.203021][ T6527] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  223.211008][ T6527] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  223.219025][ T6527] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  223.226994][ T6527] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  223.234967][ T6527] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  223.242962][ T6527]  </TASK>
[  223.253112][ T6527] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.268651][ T6527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.636204][ T6530] loop1: detected capacity change from 0 to 32768
[  223.656314][ T6530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.663913][ T6530] CPU: 0 PID: 6530 Comm: syz.1.210 Not tainted syzkaller #0
[  223.671229][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.681310][ T6530] Call Trace:
[  223.684615][ T6530]  <TASK>
[  223.687568][ T6530]  dump_stack_lvl+0x16c/0x230
[  223.692286][ T6530]  ? show_regs_print_info+0x20/0x20
[  223.697520][ T6530]  ? load_image+0x3b0/0x3b0
[  223.702070][ T6530]  sysfs_create_dir_ns+0x256/0x280
[  223.707211][ T6530]  ? sysfs_warn_dup+0xa0/0xa0
[  223.711917][ T6530]  ? do_raw_spin_unlock+0x121/0x230
[  223.717151][ T6530]  kobject_add_internal+0x6b8/0xc70
[  223.722386][ T6530]  kobject_init_and_add+0x126/0x190
[  223.727617][ T6530]  ? lockdep_softirqs_off+0x430/0x430
[  223.733016][ T6530]  ? kobject_add+0x220/0x220
[  223.737641][ T6530]  ? __init_swait_queue_head+0xa9/0x150
[  223.743192][ T6530]  gfs2_sys_fs_add+0x238/0x470
[  223.747951][ T6530]  ? gfs2_recover_set+0x250/0x250
[  223.752996][ T6530]  ? apply_workqueue_attrs+0x180/0x180
[  223.758466][ T6530]  gfs2_fill_super+0x1323/0x1f80
[  223.763410][ T6530]  ? gfs2_reconfigure+0xb10/0xb10
[  223.768437][ T6530]  ? setup_bdev_super+0x56b/0x660
[  223.773456][ T6530]  get_tree_bdev+0x3e4/0x510
[  223.778047][ T6530]  ? end_current_label_crit_section+0x170/0x170
[  223.784286][ T6530]  ? gfs2_reconfigure+0xb10/0xb10
[  223.789311][ T6530]  ? setup_bdev_super+0x660/0x660
[  223.794331][ T6530]  gfs2_get_tree+0x51/0x1e0
[  223.798834][ T6530]  vfs_get_tree+0x8c/0x280
[  223.803248][ T6530]  do_new_mount+0x24b/0xa40
[  223.807753][ T6530]  __se_sys_mount+0x2da/0x3c0
[  223.812424][ T6530]  ? __x64_sys_mount+0xc0/0xc0
[  223.817182][ T6530]  ? lockdep_hardirqs_on+0x98/0x150
[  223.822465][ T6530]  ? __x64_sys_mount+0x20/0xc0
[  223.827218][ T6530]  do_syscall_64+0x55/0xb0
[  223.831626][ T6530]  ? clear_bhb_loop+0x40/0x90
[  223.836309][ T6530]  ? clear_bhb_loop+0x40/0x90
[  223.840981][ T6530]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.846864][ T6530] RIP: 0033:0x7f79a2d90eea
[  223.851272][ T6530] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.870966][ T6530] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.879379][ T6530] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  223.887367][ T6530] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  223.895351][ T6530] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  223.903328][ T6530] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  223.911321][ T6530] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  223.919314][ T6530]  </TASK>
[  223.927518][ T6530] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.947692][ T6530] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 09:45:08 executed programs: 196
[  224.272740][ T6533] loop1: detected capacity change from 0 to 32768
[  224.289342][ T6533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.296974][ T6533] CPU: 0 PID: 6533 Comm: syz.1.211 Not tainted syzkaller #0
[  224.304308][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.314393][ T6533] Call Trace:
[  224.317692][ T6533]  <TASK>
[  224.320638][ T6533]  dump_stack_lvl+0x16c/0x230
[  224.325349][ T6533]  ? show_regs_print_info+0x20/0x20
[  224.330573][ T6533]  ? load_image+0x3b0/0x3b0
[  224.335114][ T6533]  sysfs_create_dir_ns+0x256/0x280
[  224.340259][ T6533]  ? sysfs_warn_dup+0xa0/0xa0
[  224.344983][ T6533]  ? do_raw_spin_unlock+0x121/0x230
[  224.350223][ T6533]  kobject_add_internal+0x6b8/0xc70
[  224.355459][ T6533]  kobject_init_and_add+0x126/0x190
[  224.360692][ T6533]  ? lockdep_softirqs_off+0x430/0x430
[  224.366096][ T6533]  ? kobject_add+0x220/0x220
[  224.370721][ T6533]  ? __init_swait_queue_head+0xa9/0x150
[  224.376297][ T6533]  gfs2_sys_fs_add+0x238/0x470
[  224.381091][ T6533]  ? gfs2_recover_set+0x250/0x250
[  224.386146][ T6533]  ? apply_workqueue_attrs+0x180/0x180
[  224.391631][ T6533]  gfs2_fill_super+0x1323/0x1f80
[  224.396572][ T6533]  ? gfs2_reconfigure+0xb10/0xb10
[  224.401595][ T6533]  ? setup_bdev_super+0x56b/0x660
[  224.406614][ T6533]  get_tree_bdev+0x3e4/0x510
[  224.411224][ T6533]  ? end_current_label_crit_section+0x170/0x170
[  224.417503][ T6533]  ? gfs2_reconfigure+0xb10/0xb10
[  224.422523][ T6533]  ? setup_bdev_super+0x660/0x660
[  224.427550][ T6533]  gfs2_get_tree+0x51/0x1e0
[  224.432053][ T6533]  vfs_get_tree+0x8c/0x280
[  224.436462][ T6533]  do_new_mount+0x24b/0xa40
[  224.440966][ T6533]  __se_sys_mount+0x2da/0x3c0
[  224.445640][ T6533]  ? __x64_sys_mount+0xc0/0xc0
[  224.450395][ T6533]  ? lockdep_hardirqs_on+0x98/0x150
[  224.455585][ T6533]  ? __x64_sys_mount+0x20/0xc0
[  224.460345][ T6533]  do_syscall_64+0x55/0xb0
[  224.464752][ T6533]  ? clear_bhb_loop+0x40/0x90
[  224.469423][ T6533]  ? clear_bhb_loop+0x40/0x90
[  224.474100][ T6533]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  224.479987][ T6533] RIP: 0033:0x7f79a2d90eea
[  224.484396][ T6533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.503995][ T6533] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.512404][ T6533] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  224.520370][ T6533] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  224.528334][ T6533] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  224.536306][ T6533] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  224.544272][ T6533] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  224.552247][ T6533]  </TASK>
[  224.558919][ T6533] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.573638][ T6533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.941516][ T6536] loop1: detected capacity change from 0 to 32768
[  224.956701][ T6536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.964258][ T6536] CPU: 1 PID: 6536 Comm: syz.1.212 Not tainted syzkaller #0
[  224.971566][ T6536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.981646][ T6536] Call Trace:
[  224.984975][ T6536]  <TASK>
[  224.987973][ T6536]  dump_stack_lvl+0x16c/0x230
[  224.992690][ T6536]  ? show_regs_print_info+0x20/0x20
[  224.997926][ T6536]  ? load_image+0x3b0/0x3b0
[  225.002468][ T6536]  sysfs_create_dir_ns+0x256/0x280
[  225.007617][ T6536]  ? sysfs_warn_dup+0xa0/0xa0
[  225.012330][ T6536]  ? do_raw_spin_unlock+0x121/0x230
[  225.017556][ T6536]  kobject_add_internal+0x6b8/0xc70
[  225.022875][ T6536]  kobject_init_and_add+0x126/0x190
[  225.028103][ T6536]  ? lockdep_softirqs_off+0x430/0x430
[  225.033593][ T6536]  ? kobject_add+0x220/0x220
[  225.038216][ T6536]  ? __init_swait_queue_head+0xa9/0x150
[  225.043794][ T6536]  gfs2_sys_fs_add+0x238/0x470
[  225.048589][ T6536]  ? gfs2_recover_set+0x250/0x250
[  225.053647][ T6536]  ? apply_workqueue_attrs+0x180/0x180
[  225.059150][ T6536]  gfs2_fill_super+0x1323/0x1f80
[  225.064223][ T6536]  ? gfs2_reconfigure+0xb10/0xb10
[  225.069281][ T6536]  ? setup_bdev_super+0x56b/0x660
[  225.074333][ T6536]  get_tree_bdev+0x3e4/0x510
[  225.078946][ T6536]  ? end_current_label_crit_section+0x170/0x170
[  225.085190][ T6536]  ? gfs2_reconfigure+0xb10/0xb10
[  225.090220][ T6536]  ? setup_bdev_super+0x660/0x660
[  225.095235][ T6536]  gfs2_get_tree+0x51/0x1e0
[  225.099733][ T6536]  vfs_get_tree+0x8c/0x280
[  225.104158][ T6536]  do_new_mount+0x24b/0xa40
[  225.108657][ T6536]  __se_sys_mount+0x2da/0x3c0
[  225.113319][ T6536]  ? __x64_sys_mount+0xc0/0xc0
[  225.118081][ T6536]  ? lockdep_hardirqs_on+0x98/0x150
[  225.123282][ T6536]  ? __x64_sys_mount+0x20/0xc0
[  225.128034][ T6536]  do_syscall_64+0x55/0xb0
[  225.132436][ T6536]  ? clear_bhb_loop+0x40/0x90
[  225.137111][ T6536]  ? clear_bhb_loop+0x40/0x90
[  225.141795][ T6536]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.147673][ T6536] RIP: 0033:0x7f79a2d90eea
[  225.152072][ T6536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.171673][ T6536] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.180078][ T6536] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  225.188043][ T6536] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  225.196003][ T6536] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  225.203963][ T6536] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.211924][ T6536] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  225.219895][ T6536]  </TASK>
[  225.225825][ T6536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.240083][ T6536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.606249][ T6539] loop1: detected capacity change from 0 to 32768
[  225.620398][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.636552][ T6539] CPU: 1 PID: 6539 Comm: syz.1.213 Not tainted syzkaller #0
[  225.643985][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.654161][ T6539] Call Trace:
[  225.657464][ T6539]  <TASK>
[  225.660422][ T6539]  dump_stack_lvl+0x16c/0x230
[  225.665136][ T6539]  ? show_regs_print_info+0x20/0x20
[  225.670359][ T6539]  ? load_image+0x3b0/0x3b0
[  225.674982][ T6539]  sysfs_create_dir_ns+0x256/0x280
[  225.680148][ T6539]  ? sysfs_warn_dup+0xa0/0xa0
[  225.684856][ T6539]  ? do_raw_spin_unlock+0x121/0x230
[  225.690086][ T6539]  kobject_add_internal+0x6b8/0xc70
[  225.695332][ T6539]  kobject_init_and_add+0x126/0x190
[  225.700557][ T6539]  ? lockdep_softirqs_off+0x430/0x430
[  225.705955][ T6539]  ? kobject_add+0x220/0x220
[  225.710580][ T6539]  ? __init_swait_queue_head+0xa9/0x150
[  225.716163][ T6539]  gfs2_sys_fs_add+0x238/0x470
[  225.720959][ T6539]  ? gfs2_recover_set+0x250/0x250
[  225.726016][ T6539]  ? apply_workqueue_attrs+0x180/0x180
[  225.731512][ T6539]  gfs2_fill_super+0x1323/0x1f80
[  225.736489][ T6539]  ? gfs2_reconfigure+0xb10/0xb10
[  225.741537][ T6539]  ? setup_bdev_super+0x56b/0x660
[  225.746559][ T6539]  get_tree_bdev+0x3e4/0x510
[  225.751154][ T6539]  ? end_current_label_crit_section+0x170/0x170
[  225.757405][ T6539]  ? gfs2_reconfigure+0xb10/0xb10
[  225.762439][ T6539]  ? setup_bdev_super+0x660/0x660
[  225.767460][ T6539]  gfs2_get_tree+0x51/0x1e0
[  225.771955][ T6539]  vfs_get_tree+0x8c/0x280
[  225.776362][ T6539]  do_new_mount+0x24b/0xa40
[  225.780871][ T6539]  __se_sys_mount+0x2da/0x3c0
[  225.785538][ T6539]  ? __x64_sys_mount+0xc0/0xc0
[  225.790308][ T6539]  ? lockdep_hardirqs_on+0x98/0x150
[  225.795508][ T6539]  ? __x64_sys_mount+0x20/0xc0
[  225.800284][ T6539]  do_syscall_64+0x55/0xb0
[  225.804728][ T6539]  ? clear_bhb_loop+0x40/0x90
[  225.809407][ T6539]  ? clear_bhb_loop+0x40/0x90
[  225.814087][ T6539]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.819978][ T6539] RIP: 0033:0x7f79a2d90eea
[  225.824382][ T6539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.843987][ T6539] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.852395][ T6539] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  225.860371][ T6539] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  225.868365][ T6539] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  225.876344][ T6539] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  225.884325][ T6539] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  225.892302][ T6539]  </TASK>
[  225.896421][ T6539] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.913137][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.269728][ T6542] loop1: detected capacity change from 0 to 32768
[  226.288280][ T6542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.295710][ T6542] CPU: 1 PID: 6542 Comm: syz.1.214 Not tainted syzkaller #0
[  226.303017][ T6542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.313105][ T6542] Call Trace:
[  226.316397][ T6542]  <TASK>
[  226.319346][ T6542]  dump_stack_lvl+0x16c/0x230
[  226.324055][ T6542]  ? show_regs_print_info+0x20/0x20
[  226.329281][ T6542]  ? load_image+0x3b0/0x3b0
[  226.333819][ T6542]  sysfs_create_dir_ns+0x256/0x280
[  226.338970][ T6542]  ? sysfs_warn_dup+0xa0/0xa0
[  226.343686][ T6542]  ? do_raw_spin_unlock+0x121/0x230
[  226.348917][ T6542]  kobject_add_internal+0x6b8/0xc70
[  226.354151][ T6542]  kobject_init_and_add+0x126/0x190
[  226.359378][ T6542]  ? lockdep_softirqs_off+0x430/0x430
[  226.364778][ T6542]  ? kobject_add+0x220/0x220
[  226.369398][ T6542]  ? __init_swait_queue_head+0xa9/0x150
[  226.374969][ T6542]  gfs2_sys_fs_add+0x238/0x470
[  226.379777][ T6542]  ? gfs2_recover_set+0x250/0x250
[  226.384834][ T6542]  ? apply_workqueue_attrs+0x180/0x180
[  226.390315][ T6542]  gfs2_fill_super+0x1323/0x1f80
[  226.395255][ T6542]  ? gfs2_reconfigure+0xb10/0xb10
[  226.400284][ T6542]  ? setup_bdev_super+0x56b/0x660
[  226.405315][ T6542]  get_tree_bdev+0x3e4/0x510
[  226.409903][ T6542]  ? end_current_label_crit_section+0x170/0x170
[  226.416140][ T6542]  ? gfs2_reconfigure+0xb10/0xb10
[  226.421160][ T6542]  ? setup_bdev_super+0x660/0x660
[  226.426178][ T6542]  gfs2_get_tree+0x51/0x1e0
[  226.430681][ T6542]  vfs_get_tree+0x8c/0x280
[  226.435085][ T6542]  do_new_mount+0x24b/0xa40
[  226.439582][ T6542]  __se_sys_mount+0x2da/0x3c0
[  226.444254][ T6542]  ? __x64_sys_mount+0xc0/0xc0
[  226.449017][ T6542]  ? lockdep_hardirqs_on+0x98/0x150
[  226.454217][ T6542]  ? __x64_sys_mount+0x20/0xc0
[  226.458982][ T6542]  do_syscall_64+0x55/0xb0
[  226.463388][ T6542]  ? clear_bhb_loop+0x40/0x90
[  226.468054][ T6542]  ? clear_bhb_loop+0x40/0x90
[  226.472723][ T6542]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  226.478607][ T6542] RIP: 0033:0x7f79a2d90eea
[  226.483020][ T6542] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.502652][ T6542] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.511060][ T6542] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  226.519029][ T6542] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  226.526991][ T6542] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  226.534957][ T6542] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  226.542920][ T6542] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  226.550895][ T6542]  </TASK>
[  226.558415][ T6542] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.573358][ T6542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.933143][ T6545] loop1: detected capacity change from 0 to 32768
[  226.944952][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.952520][ T6545] CPU: 1 PID: 6545 Comm: syz.1.215 Not tainted syzkaller #0
[  226.959843][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.969922][ T6545] Call Trace:
[  226.973227][ T6545]  <TASK>
[  226.976178][ T6545]  dump_stack_lvl+0x16c/0x230
[  226.980892][ T6545]  ? show_regs_print_info+0x20/0x20
[  226.986119][ T6545]  ? load_image+0x3b0/0x3b0
[  226.990658][ T6545]  sysfs_create_dir_ns+0x256/0x280
[  226.995798][ T6545]  ? sysfs_warn_dup+0xa0/0xa0
[  227.000500][ T6545]  ? do_raw_spin_unlock+0x121/0x230
[  227.005741][ T6545]  kobject_add_internal+0x6b8/0xc70
[  227.010969][ T6545]  kobject_init_and_add+0x126/0x190
[  227.016169][ T6545]  ? lockdep_softirqs_off+0x430/0x430
[  227.021537][ T6545]  ? kobject_add+0x220/0x220
[  227.026129][ T6545]  ? __init_swait_queue_head+0xa9/0x150
[  227.031671][ T6545]  gfs2_sys_fs_add+0x238/0x470
[  227.036522][ T6545]  ? gfs2_recover_set+0x250/0x250
[  227.041592][ T6545]  ? apply_workqueue_attrs+0x180/0x180
[  227.047052][ T6545]  gfs2_fill_super+0x1323/0x1f80
[  227.052005][ T6545]  ? gfs2_reconfigure+0xb10/0xb10
[  227.057035][ T6545]  ? setup_bdev_super+0x56b/0x660
[  227.062051][ T6545]  get_tree_bdev+0x3e4/0x510
[  227.066639][ T6545]  ? end_current_label_crit_section+0x170/0x170
[  227.072873][ T6545]  ? gfs2_reconfigure+0xb10/0xb10
[  227.077891][ T6545]  ? setup_bdev_super+0x660/0x660
[  227.082911][ T6545]  gfs2_get_tree+0x51/0x1e0
[  227.087409][ T6545]  vfs_get_tree+0x8c/0x280
[  227.091817][ T6545]  do_new_mount+0x24b/0xa40
[  227.096321][ T6545]  __se_sys_mount+0x2da/0x3c0
[  227.100992][ T6545]  ? __x64_sys_mount+0xc0/0xc0
[  227.105837][ T6545]  ? lockdep_hardirqs_on+0x98/0x150
[  227.111049][ T6545]  ? __x64_sys_mount+0x20/0xc0
[  227.115825][ T6545]  do_syscall_64+0x55/0xb0
[  227.120247][ T6545]  ? clear_bhb_loop+0x40/0x90
[  227.124939][ T6545]  ? clear_bhb_loop+0x40/0x90
[  227.129613][ T6545]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.135503][ T6545] RIP: 0033:0x7f79a2d90eea
[  227.139918][ T6545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.159625][ T6545] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.168055][ T6545] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  227.176025][ T6545] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  227.183986][ T6545] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  227.191954][ T6545] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.199916][ T6545] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  227.207893][ T6545]  </TASK>
[  227.220755][ T6545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.235837][ T6545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.568098][ T6548] loop1: detected capacity change from 0 to 32768
[  227.584869][ T6548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.592387][ T6548] CPU: 0 PID: 6548 Comm: syz.1.216 Not tainted syzkaller #0
[  227.599699][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.609792][ T6548] Call Trace:
[  227.613096][ T6548]  <TASK>
[  227.616055][ T6548]  dump_stack_lvl+0x16c/0x230
[  227.620854][ T6548]  ? show_regs_print_info+0x20/0x20
[  227.626090][ T6548]  ? load_image+0x3b0/0x3b0
[  227.630638][ T6548]  sysfs_create_dir_ns+0x256/0x280
[  227.635781][ T6548]  ? sysfs_warn_dup+0xa0/0xa0
[  227.640499][ T6548]  ? do_raw_spin_unlock+0x121/0x230
[  227.645743][ T6548]  kobject_add_internal+0x6b8/0xc70
[  227.650973][ T6548]  kobject_init_and_add+0x126/0x190
[  227.656205][ T6548]  ? lockdep_softirqs_off+0x430/0x430
[  227.661604][ T6548]  ? kobject_add+0x220/0x220
[  227.666227][ T6548]  ? __init_swait_queue_head+0xa9/0x150
[  227.671808][ T6548]  gfs2_sys_fs_add+0x238/0x470
[  227.676614][ T6548]  ? gfs2_recover_set+0x250/0x250
[  227.681657][ T6548]  ? apply_workqueue_attrs+0x180/0x180
[  227.687120][ T6548]  gfs2_fill_super+0x1323/0x1f80
[  227.692062][ T6548]  ? gfs2_reconfigure+0xb10/0xb10
[  227.697089][ T6548]  ? setup_bdev_super+0x56b/0x660
[  227.702108][ T6548]  get_tree_bdev+0x3e4/0x510
[  227.706690][ T6548]  ? end_current_label_crit_section+0x170/0x170
[  227.713026][ T6548]  ? gfs2_reconfigure+0xb10/0xb10
[  227.718047][ T6548]  ? setup_bdev_super+0x660/0x660
[  227.723160][ T6548]  gfs2_get_tree+0x51/0x1e0
[  227.727738][ T6548]  vfs_get_tree+0x8c/0x280
[  227.732175][ T6548]  do_new_mount+0x24b/0xa40
[  227.736688][ T6548]  __se_sys_mount+0x2da/0x3c0
[  227.741376][ T6548]  ? __x64_sys_mount+0xc0/0xc0
[  227.746164][ T6548]  ? lockdep_hardirqs_on+0x98/0x150
[  227.751379][ T6548]  ? __x64_sys_mount+0x20/0xc0
[  227.756149][ T6548]  do_syscall_64+0x55/0xb0
[  227.760583][ T6548]  ? clear_bhb_loop+0x40/0x90
[  227.765262][ T6548]  ? clear_bhb_loop+0x40/0x90
[  227.769942][ T6548]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.775835][ T6548] RIP: 0033:0x7f79a2d90eea
[  227.780243][ T6548] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.799849][ T6548] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.808257][ T6548] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  227.816220][ T6548] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  227.824183][ T6548] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  227.832146][ T6548] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  227.840107][ T6548] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  227.848090][ T6548]  </TASK>
[  227.856615][ T6548] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.870892][ T6548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.245122][ T6551] loop1: detected capacity change from 0 to 32768
[  228.256609][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.265159][ T6551] CPU: 0 PID: 6551 Comm: syz.1.217 Not tainted syzkaller #0
[  228.272483][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.282566][ T6551] Call Trace:
[  228.285866][ T6551]  <TASK>
[  228.288816][ T6551]  dump_stack_lvl+0x16c/0x230
[  228.293531][ T6551]  ? show_regs_print_info+0x20/0x20
[  228.298762][ T6551]  ? load_image+0x3b0/0x3b0
[  228.303306][ T6551]  sysfs_create_dir_ns+0x256/0x280
[  228.308445][ T6551]  ? sysfs_warn_dup+0xa0/0xa0
[  228.313152][ T6551]  ? do_raw_spin_unlock+0x121/0x230
[  228.318374][ T6551]  kobject_add_internal+0x6b8/0xc70
[  228.323608][ T6551]  kobject_init_and_add+0x126/0x190
[  228.328834][ T6551]  ? lockdep_softirqs_off+0x430/0x430
[  228.334233][ T6551]  ? kobject_add+0x220/0x220
[  228.338851][ T6551]  ? __init_swait_queue_head+0xa9/0x150
[  228.344423][ T6551]  gfs2_sys_fs_add+0x238/0x470
[  228.349211][ T6551]  ? gfs2_recover_set+0x250/0x250
[  228.354698][ T6551]  ? apply_workqueue_attrs+0x180/0x180
[  228.360194][ T6551]  gfs2_fill_super+0x1323/0x1f80
[  228.365174][ T6551]  ? gfs2_reconfigure+0xb10/0xb10
[  228.370233][ T6551]  ? setup_bdev_super+0x56b/0x660
[  228.375269][ T6551]  get_tree_bdev+0x3e4/0x510
[  228.379850][ T6551]  ? end_current_label_crit_section+0x170/0x170
[  228.386078][ T6551]  ? gfs2_reconfigure+0xb10/0xb10
[  228.391181][ T6551]  ? setup_bdev_super+0x660/0x660
[  228.396193][ T6551]  gfs2_get_tree+0x51/0x1e0
[  228.400711][ T6551]  vfs_get_tree+0x8c/0x280
[  228.405112][ T6551]  do_new_mount+0x24b/0xa40
[  228.409607][ T6551]  __se_sys_mount+0x2da/0x3c0
[  228.414273][ T6551]  ? __x64_sys_mount+0xc0/0xc0
[  228.419026][ T6551]  ? lockdep_hardirqs_on+0x98/0x150
[  228.424210][ T6551]  ? __x64_sys_mount+0x20/0xc0
[  228.428958][ T6551]  do_syscall_64+0x55/0xb0
[  228.433359][ T6551]  ? clear_bhb_loop+0x40/0x90
[  228.438038][ T6551]  ? clear_bhb_loop+0x40/0x90
[  228.442709][ T6551]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  228.448587][ T6551] RIP: 0033:0x7f79a2d90eea
[  228.452987][ T6551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.472588][ T6551] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.480994][ T6551] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  228.488954][ T6551] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  228.496911][ T6551] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  228.504865][ T6551] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  228.512834][ T6551] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  228.520811][ T6551]  </TASK>
[  228.529295][ T6551] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.543486][ T6551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.922035][ T6554] loop1: detected capacity change from 0 to 32768
[  228.939029][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.950627][ T6554] CPU: 0 PID: 6554 Comm: syz.1.218 Not tainted syzkaller #0
[  228.957986][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.968064][ T6554] Call Trace:
[  228.971358][ T6554]  <TASK>
[  228.974303][ T6554]  dump_stack_lvl+0x16c/0x230
[  228.979017][ T6554]  ? show_regs_print_info+0x20/0x20
[  228.984262][ T6554]  ? load_image+0x3b0/0x3b0
[  228.988821][ T6554]  sysfs_create_dir_ns+0x256/0x280
[  228.993983][ T6554]  ? sysfs_warn_dup+0xa0/0xa0
[  228.998698][ T6554]  ? do_raw_spin_unlock+0x121/0x230
[  229.003932][ T6554]  kobject_add_internal+0x6b8/0xc70
[  229.009164][ T6554]  kobject_init_and_add+0x126/0x190
[  229.014499][ T6554]  ? lockdep_softirqs_off+0x430/0x430
[  229.019888][ T6554]  ? kobject_add+0x220/0x220
[  229.024487][ T6554]  ? __init_swait_queue_head+0xa9/0x150
[  229.030034][ T6554]  gfs2_sys_fs_add+0x238/0x470
[  229.034798][ T6554]  ? gfs2_recover_set+0x250/0x250
[  229.039824][ T6554]  ? apply_workqueue_attrs+0x180/0x180
[  229.045296][ T6554]  gfs2_fill_super+0x1323/0x1f80
[  229.050245][ T6554]  ? gfs2_reconfigure+0xb10/0xb10
[  229.055309][ T6554]  ? setup_bdev_super+0x56b/0x660
[  229.060331][ T6554]  get_tree_bdev+0x3e4/0x510
[  229.064922][ T6554]  ? end_current_label_crit_section+0x170/0x170
[  229.071161][ T6554]  ? gfs2_reconfigure+0xb10/0xb10
[  229.076186][ T6554]  ? setup_bdev_super+0x660/0x660
[  229.081213][ T6554]  gfs2_get_tree+0x51/0x1e0
[  229.085715][ T6554]  vfs_get_tree+0x8c/0x280
[  229.090129][ T6554]  do_new_mount+0x24b/0xa40
[  229.094629][ T6554]  __se_sys_mount+0x2da/0x3c0
[  229.099303][ T6554]  ? __x64_sys_mount+0xc0/0xc0
[  229.104070][ T6554]  ? lockdep_hardirqs_on+0x98/0x150
[  229.109267][ T6554]  ? __x64_sys_mount+0x20/0xc0
[  229.114025][ T6554]  do_syscall_64+0x55/0xb0
[  229.118433][ T6554]  ? clear_bhb_loop+0x40/0x90
[  229.123102][ T6554]  ? clear_bhb_loop+0x40/0x90
[  229.127774][ T6554]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.133664][ T6554] RIP: 0033:0x7f79a2d90eea
[  229.138077][ T6554] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.157679][ T6554] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.166087][ T6554] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  229.174056][ T6554] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  229.182025][ T6554] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  229.190009][ T6554] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  229.197976][ T6554] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  229.205994][ T6554]  </TASK>
[  229.211868][ T6554] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.225975][ T6554] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 09:45:13 executed programs: 204
[  229.564017][ T6557] loop1: detected capacity change from 0 to 32768
[  229.581942][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.589890][ T6557] CPU: 1 PID: 6557 Comm: syz.1.219 Not tainted syzkaller #0
[  229.597202][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.607716][ T6557] Call Trace:
[  229.611016][ T6557]  <TASK>
[  229.613960][ T6557]  dump_stack_lvl+0x16c/0x230
[  229.618666][ T6557]  ? show_regs_print_info+0x20/0x20
[  229.623924][ T6557]  ? load_image+0x3b0/0x3b0
[  229.628464][ T6557]  sysfs_create_dir_ns+0x256/0x280
[  229.633609][ T6557]  ? sysfs_warn_dup+0xa0/0xa0
[  229.638320][ T6557]  ? do_raw_spin_unlock+0x121/0x230
[  229.643552][ T6557]  kobject_add_internal+0x6b8/0xc70
[  229.648795][ T6557]  kobject_init_and_add+0x126/0x190
[  229.654024][ T6557]  ? lockdep_softirqs_off+0x430/0x430
[  229.659436][ T6557]  ? kobject_add+0x220/0x220
[  229.664074][ T6557]  ? __init_swait_queue_head+0xa9/0x150
[  229.669648][ T6557]  gfs2_sys_fs_add+0x238/0x470
[  229.674438][ T6557]  ? gfs2_recover_set+0x250/0x250
[  229.679500][ T6557]  ? apply_workqueue_attrs+0x180/0x180
[  229.684992][ T6557]  gfs2_fill_super+0x1323/0x1f80
[  229.690041][ T6557]  ? gfs2_reconfigure+0xb10/0xb10
[  229.695074][ T6557]  ? setup_bdev_super+0x56b/0x660
[  229.700098][ T6557]  get_tree_bdev+0x3e4/0x510
[  229.704678][ T6557]  ? end_current_label_crit_section+0x170/0x170
[  229.710929][ T6557]  ? gfs2_reconfigure+0xb10/0xb10
[  229.715967][ T6557]  ? setup_bdev_super+0x660/0x660
[  229.720992][ T6557]  gfs2_get_tree+0x51/0x1e0
[  229.725497][ T6557]  vfs_get_tree+0x8c/0x280
[  229.729908][ T6557]  do_new_mount+0x24b/0xa40
[  229.734401][ T6557]  __se_sys_mount+0x2da/0x3c0
[  229.739067][ T6557]  ? __x64_sys_mount+0xc0/0xc0
[  229.743895][ T6557]  ? lockdep_hardirqs_on+0x98/0x150
[  229.749083][ T6557]  ? __x64_sys_mount+0x20/0xc0
[  229.753866][ T6557]  do_syscall_64+0x55/0xb0
[  229.758268][ T6557]  ? clear_bhb_loop+0x40/0x90
[  229.762931][ T6557]  ? clear_bhb_loop+0x40/0x90
[  229.767628][ T6557]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.773509][ T6557] RIP: 0033:0x7f79a2d90eea
[  229.777919][ T6557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.797522][ T6557] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.805936][ T6557] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  229.813905][ T6557] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  229.821866][ T6557] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  229.829826][ T6557] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  229.837789][ T6557] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  229.845758][ T6557]  </TASK>
[  229.849891][ T6557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.863863][ T6557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.208158][ T6560] loop1: detected capacity change from 0 to 32768
[  230.222314][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.237089][ T6560] CPU: 1 PID: 6560 Comm: syz.1.220 Not tainted syzkaller #0
[  230.244438][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.254524][ T6560] Call Trace:
[  230.257819][ T6560]  <TASK>
[  230.260767][ T6560]  dump_stack_lvl+0x16c/0x230
[  230.265488][ T6560]  ? show_regs_print_info+0x20/0x20
[  230.270715][ T6560]  ? load_image+0x3b0/0x3b0
[  230.275255][ T6560]  sysfs_create_dir_ns+0x256/0x280
[  230.280403][ T6560]  ? sysfs_warn_dup+0xa0/0xa0
[  230.285115][ T6560]  ? do_raw_spin_unlock+0x121/0x230
[  230.290353][ T6560]  kobject_add_internal+0x6b8/0xc70
[  230.295601][ T6560]  kobject_init_and_add+0x126/0x190
[  230.300830][ T6560]  ? lockdep_softirqs_off+0x430/0x430
[  230.306232][ T6560]  ? kobject_add+0x220/0x220
[  230.310855][ T6560]  ? __init_swait_queue_head+0xa9/0x150
[  230.316425][ T6560]  gfs2_sys_fs_add+0x238/0x470
[  230.321221][ T6560]  ? gfs2_recover_set+0x250/0x250
[  230.326277][ T6560]  ? apply_workqueue_attrs+0x180/0x180
[  230.331772][ T6560]  gfs2_fill_super+0x1323/0x1f80
[  230.336858][ T6560]  ? gfs2_reconfigure+0xb10/0xb10
[  230.342045][ T6560]  ? setup_bdev_super+0x56b/0x660
[  230.347091][ T6560]  get_tree_bdev+0x3e4/0x510
[  230.351698][ T6560]  ? end_current_label_crit_section+0x170/0x170
[  230.358296][ T6560]  ? gfs2_reconfigure+0xb10/0xb10
[  230.363330][ T6560]  ? setup_bdev_super+0x660/0x660
[  230.368348][ T6560]  gfs2_get_tree+0x51/0x1e0
[  230.372841][ T6560]  vfs_get_tree+0x8c/0x280
[  230.377254][ T6560]  do_new_mount+0x24b/0xa40
[  230.381759][ T6560]  __se_sys_mount+0x2da/0x3c0
[  230.386432][ T6560]  ? __x64_sys_mount+0xc0/0xc0
[  230.391220][ T6560]  ? lockdep_hardirqs_on+0x98/0x150
[  230.396442][ T6560]  ? __x64_sys_mount+0x20/0xc0
[  230.401220][ T6560]  do_syscall_64+0x55/0xb0
[  230.405621][ T6560]  ? clear_bhb_loop+0x40/0x90
[  230.410294][ T6560]  ? clear_bhb_loop+0x40/0x90
[  230.414965][ T6560]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.420849][ T6560] RIP: 0033:0x7f79a2d90eea
[  230.425251][ T6560] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.444850][ T6560] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.453261][ T6560] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  230.461230][ T6560] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  230.469191][ T6560] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  230.477160][ T6560] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  230.485132][ T6560] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  230.493538][ T6560]  </TASK>
[  230.502674][ T6560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.517605][ T6560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.869202][ T6563] loop1: detected capacity change from 0 to 32768
[  230.887171][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.894636][ T6563] CPU: 1 PID: 6563 Comm: syz.1.221 Not tainted syzkaller #0
[  230.901954][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.912037][ T6563] Call Trace:
[  230.915343][ T6563]  <TASK>
[  230.918300][ T6563]  dump_stack_lvl+0x16c/0x230
[  230.923029][ T6563]  ? show_regs_print_info+0x20/0x20
[  230.928261][ T6563]  ? load_image+0x3b0/0x3b0
[  230.932822][ T6563]  sysfs_create_dir_ns+0x256/0x280
[  230.937967][ T6563]  ? sysfs_warn_dup+0xa0/0xa0
[  230.942676][ T6563]  ? do_raw_spin_unlock+0x121/0x230
[  230.947904][ T6563]  kobject_add_internal+0x6b8/0xc70
[  230.953142][ T6563]  kobject_init_and_add+0x126/0x190
[  230.958383][ T6563]  ? lockdep_softirqs_off+0x430/0x430
[  230.963786][ T6563]  ? kobject_add+0x220/0x220
[  230.968411][ T6563]  ? __init_swait_queue_head+0xa9/0x150
[  230.973989][ T6563]  gfs2_sys_fs_add+0x238/0x470
[  230.978793][ T6563]  ? gfs2_recover_set+0x250/0x250
[  230.983846][ T6563]  ? apply_workqueue_attrs+0x180/0x180
[  230.989337][ T6563]  gfs2_fill_super+0x1323/0x1f80
[  230.994309][ T6563]  ? gfs2_reconfigure+0xb10/0xb10
[  230.999368][ T6563]  ? setup_bdev_super+0x56b/0x660
[  231.004413][ T6563]  get_tree_bdev+0x3e4/0x510
[  231.009000][ T6563]  ? end_current_label_crit_section+0x170/0x170
[  231.015229][ T6563]  ? gfs2_reconfigure+0xb10/0xb10
[  231.020248][ T6563]  ? setup_bdev_super+0x660/0x660
[  231.025269][ T6563]  gfs2_get_tree+0x51/0x1e0
[  231.029771][ T6563]  vfs_get_tree+0x8c/0x280
[  231.034176][ T6563]  do_new_mount+0x24b/0xa40
[  231.038669][ T6563]  __se_sys_mount+0x2da/0x3c0
[  231.043340][ T6563]  ? __x64_sys_mount+0xc0/0xc0
[  231.048098][ T6563]  ? lockdep_hardirqs_on+0x98/0x150
[  231.053303][ T6563]  ? __x64_sys_mount+0x20/0xc0
[  231.058087][ T6563]  do_syscall_64+0x55/0xb0
[  231.062524][ T6563]  ? clear_bhb_loop+0x40/0x90
[  231.067214][ T6563]  ? clear_bhb_loop+0x40/0x90
[  231.071884][ T6563]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.077788][ T6563] RIP: 0033:0x7f79a2d90eea
[  231.082205][ T6563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.101847][ T6563] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.110283][ T6563] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  231.118249][ T6563] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  231.126214][ T6563] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  231.134179][ T6563] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  231.142140][ T6563] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  231.150111][ T6563]  </TASK>
[  231.155779][ T6563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.169790][ T6563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.514995][ T6569] loop1: detected capacity change from 0 to 32768
[  231.525141][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.532896][ T6569] CPU: 0 PID: 6569 Comm: syz.1.222 Not tainted syzkaller #0
[  231.540226][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.550307][ T6569] Call Trace:
[  231.553624][ T6569]  <TASK>
[  231.556575][ T6569]  dump_stack_lvl+0x16c/0x230
[  231.561283][ T6569]  ? show_regs_print_info+0x20/0x20
[  231.566507][ T6569]  ? load_image+0x3b0/0x3b0
[  231.571054][ T6569]  sysfs_create_dir_ns+0x256/0x280
[  231.576192][ T6569]  ? sysfs_warn_dup+0xa0/0xa0
[  231.580897][ T6569]  ? do_raw_spin_unlock+0x121/0x230
[  231.586117][ T6569]  kobject_add_internal+0x6b8/0xc70
[  231.591368][ T6569]  kobject_init_and_add+0x126/0x190
[  231.596568][ T6569]  ? lockdep_softirqs_off+0x430/0x430
[  231.601938][ T6569]  ? kobject_add+0x220/0x220
[  231.606529][ T6569]  ? __init_swait_queue_head+0xa9/0x150
[  231.612070][ T6569]  gfs2_sys_fs_add+0x238/0x470
[  231.616830][ T6569]  ? gfs2_recover_set+0x250/0x250
[  231.621854][ T6569]  ? apply_workqueue_attrs+0x180/0x180
[  231.627382][ T6569]  gfs2_fill_super+0x1323/0x1f80
[  231.632325][ T6569]  ? gfs2_reconfigure+0xb10/0xb10
[  231.637354][ T6569]  ? setup_bdev_super+0x56b/0x660
[  231.642378][ T6569]  get_tree_bdev+0x3e4/0x510
[  231.646958][ T6569]  ? end_current_label_crit_section+0x170/0x170
[  231.653368][ T6569]  ? gfs2_reconfigure+0xb10/0xb10
[  231.658388][ T6569]  ? setup_bdev_super+0x660/0x660
[  231.663408][ T6569]  gfs2_get_tree+0x51/0x1e0
[  231.668000][ T6569]  vfs_get_tree+0x8c/0x280
[  231.672406][ T6569]  do_new_mount+0x24b/0xa40
[  231.676909][ T6569]  __se_sys_mount+0x2da/0x3c0
[  231.681581][ T6569]  ? __x64_sys_mount+0xc0/0xc0
[  231.686336][ T6569]  ? lockdep_hardirqs_on+0x98/0x150
[  231.691532][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  231.696288][ T6569]  do_syscall_64+0x55/0xb0
[  231.700785][ T6569]  ? clear_bhb_loop+0x40/0x90
[  231.705464][ T6569]  ? clear_bhb_loop+0x40/0x90
[  231.710136][ T6569]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.716023][ T6569] RIP: 0033:0x7f79a2d90eea
[  231.720438][ T6569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.740128][ T6569] RSP: 002b:00007ffcb9edf528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.748538][ T6569] RAX: ffffffffffffffda RBX: 00007ffcb9edf5b0 RCX: 00007f79a2d90eea
[  231.756504][ T6569] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffcb9edf570
[  231.764473][ T6569] RBP: 0000200000000000 R08: 00007ffcb9edf5b0 R09: 0000000000208c1b
[  231.772448][ T6569] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  231.780477][ T6569] R13: 00007ffcb9edf570 R14: 0000000000012754 R15: 0000200000012900
[  231.788457][ T6569]  </TASK>
[  231.793664][ T6569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.798685][   T29] INFO: task syz-executor:5868 blocked for more than 143 seconds.
[  231.815806][   T29]       Not tainted syzkaller #0
[  231.821089][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  231.821481][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.835241][   T29] task:syz-executor    state:D stack:21736 pid:5868  ppid:1      flags:0x00004004
[  231.846063][   T29] Call Trace:
[  231.849808][   T29]  <TASK>
[  231.852764][   T29]  __schedule+0x14d2/0x44d0
[  231.857326][   T29]  ? asan.module_dtor+0x20/0x20
[  231.862167][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  231.868245][   T29]  ? lock_chain_count+0x20/0x20
[  231.873106][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  231.878355][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  231.884259][   T29]  ? _raw_spin_unlock+0x40/0x40
[  231.889232][   T29]  schedule+0xbd/0x170
[  231.893326][   T29]  bit_wait+0x11/0xd0
[  231.897388][   T29]  __wait_on_bit+0xac/0x2d0
[  231.901915][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  231.908746][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  231.914878][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  231.920563][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  231.925348][   T29]  ? bit_waitqueue+0x30/0x30
[  231.930029][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  231.934735][   T29]  __gfs2_lookup+0x118/0x270
[  231.939475][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  231.945242][   T29]  ? gfs2_atomic_open+0x220/0x220
[  231.950340][   T29]  ? __lookup_slow+0x281/0x3b0
[  231.955121][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  231.960552][   T29]  __lookup_slow+0x281/0x3b0
[  231.965154][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  231.970056][   T29]  ? down_read+0x1ac/0x2e0
[  231.974482][   T29]  lookup_slow+0x53/0x70
[  231.978793][   T29]  walk_component+0x2be/0x3f0
[  231.983477][   T29]  ? path_lookupat+0x15c/0x440
[  231.988328][   T29]  path_lookupat+0x169/0x440
[  231.992959][   T29]  filename_lookup+0x1f4/0x510
[  231.997803][   T29]  ? __virt_addr_valid+0x18c/0x540
[  232.002936][   T29]  ? hashlen_string+0x110/0x110
[  232.007868][   T29]  ? strncpy_from_user+0x197/0x2e0
[  232.012993][   T29]  ? getname_flags+0x20a/0x500
[  232.017968][   T29]  user_path_at_empty+0x42/0x60
[  232.022883][   T29]  __x64_sys_umount+0xf5/0x170
[  232.027688][   T29]  ? path_umount+0xef0/0xef0
[  232.032297][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  232.037585][   T29]  do_syscall_64+0x55/0xb0
[  232.042052][   T29]  ? clear_bhb_loop+0x40/0x90
[  232.047111][   T29]  ? clear_bhb_loop+0x40/0x90
[  232.051830][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.058113][   T29] RIP: 0033:0x7f79db590a77
[  232.062553][   T29] RSP: 002b:00007fff741e57a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  232.071030][   T29] RAX: ffffffffffffffda RBX: 00007f79db613d7d RCX: 00007f79db590a77
[  232.079055][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff741e5860
[  232.087058][   T29] RBP: 00007fff741e5860 R08: 0000000000000000 R09: 0000000000000000
[  232.095042][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff741e6950
[  232.103091][   T29] R13: 00007f79db613d7d R14: 000055558c83b4a8 R15: 00007fff741e8b10
[  232.111113][   T29]  </TASK>
[  232.114450][   T29] 
[  232.114450][   T29] Showing all locks held in the system:
[  232.122563][   T29] 1 lock held by pool_workqueue_/3:
[  232.131220][   T29]  #0: ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[  232.142091][   T29] 1 lock held by khungtaskd/29:
[  232.147139][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  232.157532][   T29] 1 lock held by dhcpcd/5428:
[  232.162228][   T29]  #0: ffff8880b8f3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[  232.172274][   T29] 2 locks held by getty/5523:
[  232.176990][   T29]  #0: ffff88802d2010a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  232.186864][   T29]  #1: ffffc9000327e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  232.197052][   T29] 1 lock held by syz-executor/5868:
[  232.202257][   T29]  #0: ffff88805f161588 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  232.212370][   T29] 
[  232.214705][   T29] =============================================
[  232.214705][   T29] 
[  232.223358][   T29] NMI backtrace for cpu 0
[  232.227707][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  232.234923][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.244993][   T29] Call Trace:
[  232.248291][   T29]  <TASK>
[  232.251243][   T29]  dump_stack_lvl+0x16c/0x230
[  232.255951][   T29]  ? preempt_count_add+0x91/0x1a0
[  232.261004][   T29]  ? show_regs_print_info+0x20/0x20
[  232.266237][   T29]  ? load_image+0x3b0/0x3b0
[  232.270776][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  232.275730][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  232.281900][   T29]  ? _printk+0xd0/0x110
[  232.286080][   T29]  ? load_image+0x3b0/0x3b0
[  232.290605][   T29]  ? load_image+0x3b0/0x3b0
[  232.295125][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  232.301213][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  232.307231][   T29]  watchdog+0xf41/0xf80
[  232.311404][   T29]  ? watchdog+0x1e1/0xf80
[  232.315758][   T29]  kthread+0x2fa/0x390
[  232.319837][   T29]  ? hungtask_pm_notify+0x90/0x90
[  232.324878][   T29]  ? kthread_blkcg+0xd0/0xd0
[  232.329482][   T29]  ret_from_fork+0x48/0x80
[  232.333915][   T29]  ? kthread_blkcg+0xd0/0xd0
[  232.338519][   T29]  ret_from_fork_asm+0x11/0x20
[  232.343316][   T29]  </TASK>
[  232.346906][   T29] Sending NMI from CPU 0 to CPUs 1:
[  232.352237][    C1] NMI backtrace for cpu 1
[  232.352248][    C1] CPU: 1 PID: 6569 Comm: syz.1.222 Not tainted syzkaller #0
[  232.352264][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.352275][    C1] RIP: 0010:__sanitizer_cov_trace_pc+0x10/0x60
[  232.352300][    C1] Code: 89 fb e8 13 00 00 00 48 8b 3d 9c 92 c4 0c 48 89 de 5b e9 43 9d 56 00 cc cc cc f3 0f 1e fa 48 8b 04 24 65 48 8b 0d f0 24 7e 7e <65> 8b 15 f1 24 7e 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
[  232.352319][    C1] RSP: 0018:ffffc90004987770 EFLAGS: 00000202
[  232.352337][    C1] RAX: ffffffff81e7cc24 RBX: ffffffff81e7cbe2 RCX: ffff888027548000
[  232.352350][    C1] RDX: ffff888027548000 RSI: ffffffff8afc6f60 RDI: ffffffff8afc6f20
[  232.352362][    C1] RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff21b28a0
[  232.352374][    C1] R10: dffffc0000000000 R11: fffffbfff21b28a1 R12: 00fff00000000000
[  232.352391][    C1] R13: dffffc0000000000 R14: ffffea0001d23340 R15: ffffea0001d23340
[  232.352403][    C1] FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  232.352417][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  232.352429][    C1] CR2: 00007f79a2fe7dac CR3: 000000000cb30000 CR4: 00000000003506e0
[  232.352444][    C1] Call Trace:
[  232.352449][    C1]  <TASK>
[  232.352455][    C1]  page_ext_get+0x64/0x2b0
[  232.352476][    C1]  __page_table_check_zero+0x138/0x4b0
[  232.352497][    C1]  free_unref_page_prepare+0x7e1/0x8e0
[  232.352526][    C1]  free_unref_page_list+0xbe/0x860
[  232.352547][    C1]  ? __folio_memcg+0x63/0x160
[  232.352564][    C1]  ? folio_memcg+0x127/0x480
[  232.352582][    C1]  release_pages+0x1fa0/0x2220
[  232.352598][    C1]  ? mlock_drain_local+0x79/0x490
[  232.352618][    C1]  ? lru_cache_disable+0x30/0x30
[  232.352635][    C1]  ? free_swap_cache+0xe9/0x760
[  232.352658][    C1]  tlb_flush_mmu+0x368/0x4f0
[  232.352687][    C1]  tlb_finish_mmu+0xc3/0x1d0
[  232.352707][    C1]  ? free_pgtables+0x743/0x770
[  232.352728][    C1]  exit_mmap+0x3f0/0xb50
[  232.352746][    C1]  ? exit_mm_release+0x1a/0x30
[  232.352764][    C1]  ? vm_brk+0x30/0x30
[  232.352781][    C1]  ? __mutex_unlock_slowpath+0x1a2/0x6a0
[  232.352808][    C1]  ? uprobe_clear_state+0x278/0x290
[  232.352824][    C1]  ? mm_update_next_owner+0x562/0x6c0
[  232.352847][    C1]  __mmput+0x118/0x3c0
[  232.352862][    C1]  exit_mm+0x1da/0x2c0
[  232.352884][    C1]  ? do_exit+0x23c0/0x23c0
[  232.352904][    C1]  ? taskstats_exit+0x35e/0x9e0
[  232.352929][    C1]  do_exit+0x88e/0x23c0
[  232.352954][    C1]  ? put_task_struct+0xc0/0xc0
[  232.352973][    C1]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  232.352992][    C1]  ? lock_chain_count+0x20/0x20
[  232.353006][    C1]  ? _raw_spin_lock_irq+0xaf/0xe0
[  232.353023][    C1]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  232.353040][    C1]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  232.353058][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  232.353075][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  232.353095][    C1]  do_group_exit+0x21b/0x2d0
[  232.353118][    C1]  __x64_sys_exit_group+0x3f/0x40
[  232.353139][    C1]  do_syscall_64+0x55/0xb0
[  232.353152][    C1]  ? clear_bhb_loop+0x40/0x90
[  232.353171][    C1]  ? clear_bhb_loop+0x40/0x90
[  232.353189][    C1]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.353207][    C1] RIP: 0033:0x7f79a2d8f749
[  232.353219][    C1] Code: Unable to access opcode bytes at 0x7f79a2d8f71f.
[  232.353228][    C1] RSP: 002b:00007ffcb9edf9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  232.353244][    C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79a2d8f749
[  232.353255][    C1] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[  232.353265][    C1] RBP: 00007ffcb9edfa0c R08: 00000002b9edfa9f R09: 00000000000927c0
[  232.353277][    C1] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000000cb
[  232.353287][    C1] R13: 00000000000927c0 R14: 000000000003874d R15: 00007ffcb9edfa60
[  232.353306][    C1]  </TASK>
[  232.365509][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  232.365523][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  232.365539][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.365549][   T29] Call Trace:
[  232.365556][   T29]  <TASK>
[  232.365563][   T29]  dump_stack_lvl+0x16c/0x230
[  232.365594][   T29]  ? show_regs_print_info+0x20/0x20
[  232.365617][   T29]  ? load_image+0x3b0/0x3b0
[  232.365647][   T29]  panic+0x2c0/0x710
[  232.365665][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  232.365690][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  232.365708][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  232.365730][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  232.365752][   T29]  watchdog+0xf80/0xf80
[  232.365773][   T29]  ? watchdog+0x1e1/0xf80
[  232.365797][   T29]  kthread+0x2fa/0x390
[  232.365812][   T29]  ? hungtask_pm_notify+0x90/0x90
[  232.365831][   T29]  ? kthread_blkcg+0xd0/0xd0
[  232.365845][   T29]  ret_from_fork+0x48/0x80
[  232.365862][   T29]  ? kthread_blkcg+0xd0/0xd0
[  232.365877][   T29]  ret_from_fork_asm+0x11/0x20
[  232.365908][   T29]  </TASK>
[  232.375633][   T29] Kernel Offset: disabled
[  232.837935][   T29] Rebooting in 86400 seconds..